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1、精选试题二年级加减乘除计算题编 制:审 核:出 版:44+16=70+160=9x4=4x6=9x7=56+8=28+6=80-4x5=36+4=30+15=63-49+12=64-18=38+16=45+15=3+18=25+23-18=12+35=27+71=46+33=40+8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56+7=8x2=7+56-12=56+7=12+86=4x2=21-7=4x3+18=8+78=32+4=80-9=42+47=35 6二28+47=21-13=6x4=18+(12-9)=87+11=9+46
2、=15+9=46+10=65+40=81+9=55-20=9+46=15+43=28+9=58+32=80-28=33+60=54+6=40+8=61-13=5x5=6x3=42-15=18+19=80-60+18=72-40=47+8=14+85=61+27=170+20=5x3=6x2+4=73+16=60+30=10+55=83-29=5x6=43-17=21+27=32+8=30-16=6x4=4x5=15+75=12+5x3=6x3=8+2x6=400+50=38+26=93-8=3x4=6x5=56-30=5x5+13=27+25=27+59=53+8=4x2-5=8+2=32+8
3、=84-1=9x9=84+7=80-44=1800-900=420+80=50060=89-8=64-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9+1=7+7=96-42=58-36=5x7=72+9=36+6=81+9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=64-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=130+80=46-8=8x5-7=9x3-8=30+6=36+4=1800+200=93-80=7x8=734=72+8=64-8=24x0=27+
4、9=53+8=4x9=8+2=32+8=8X=9x9=84+7=80-44=420+80=500-60=89-8=64-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=274-9=77=96-42=58-36=5x7=72+9=36+6=81+9=42+13=24+3=24+8=27-3=42+13=426=7+44=42+7=648=2I：3=4x8=54+9=49+7=42K=35+7=19+41=7x8=73-4=728=648=24x0=510+200=7+1x8=130+80=46-8=8x5-7=9x3-8=30+6=36+
5、4=24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=74-1=25+23=12+35=27+71=46+33=40K8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56K=8x2=7+56=56+7=12+6=4x2=21-7=7x3=8+8=32+4=80-9=42+7=35-6=28+7=21+3=36+4=18+2=63+7=9x6=9x9=46+10=65+40=81+9=55-20=9+46=9+3=9+9=58+32=80-28=33+6
6、0=54+6=404-8=61-13=15+5=9x3=4215=184-9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300=10+5=83-29=5x6=43-17=21+27=32+8=30+6=36+64+8=5X=15+3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=4 5 s7 7 =25+23=12+35=27+71=46+33
7、=40+8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35 8=56+7=8x2=7+56=56+7=12+6=4x2=2 1-7=7x3=8+8=32+4=8 0-9=42+7=356=284-7=21+3=36+4=18+2=634-7=9x6=9x9=46+10=65+40=8 9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=40+8=61-13=15+5=9x3=42-15=18+9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300
8、=10+5=83-29=5x6=43-17=21+27=32+8=30+6=36+4=64+8=5X=154-3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=24+7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=74-1=25+23=12+35=27+71=46+33=40+8=21+15=36+22=59+18=72+24=41-29=449二72+16=43+32=35-8=56+7=8x2=7+56=56K=12+6=4x2=21-7=7x3=8+
9、8=32+80-9=42+7=35 6=28+7=2 3=36+4=18+2=63+7=9x6=4x2=9x9=46+10=65+40=81+9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=4 0 s61-13=15+5=9x3=42-15=18+9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300=10-5=83-29=5x6=43-17=21+27=32+8=30+6=36+4=64+8=54-1=154-3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=5
10、6-30=35+5=27+25=27+9=53+8=4x9=8+2=32+8=84-1=9x9=84+7=8 0-4 4=14+7=4x3+2=64-3x7=8+4x3=6x5+37=124-4+18=164-4x8=8+4+48=25+5+36=6 x 8-2=2x8+4=8x9+9=36-6+3=94-9x6=42+7x6=96-80+7=64408=40-4+20=7x5-8=14+7+25=15+5+8=8x9-8=1x2+20=54+6+33=510+200=1545+9=11-40+8=7+1x8=130+80=4 6-8=8x5-7=9x3-8=306=36+4=4x5+44=4
11、8+8+7=1800+200=93-80=6x5+37=108*=7x8=73-4=3x8+4=7x6+10=72+8=8+2=32+8=4900-1800=20+80=430+1000=500-60=89-8=648=34+9=144-7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9X=280+450=7K=3600+5800=8x9+21=730-190=3700-370=85+55=24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=7口=25+23=12+35=2
12、7+71=46+33=404-8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56+7=8x2=7+56=56，=124-6=4x2=21-7=7x3=8+8=32+4=80-9=42+7=35 6=28+7=21+3=36+4=18+2=63+7=9x6=4x2=9x9=46+10=65+40=8 9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=40+8=61-13=15+5=9x3=42-15=184-9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7
13、=73+16=60+300=10+5=83-29=5x6=43-17=21+27=32+8=30-6=36+4=64+8=5+1=15+3=164-8=42+6=400+50=38+26=93-8=49K=6x9=56-30=35+5=27+25=27+9=53+8=4x9=8+2=32+8=8+9x9=84+7=80-44=18-900=27+23=64+28=23+49=24+57=34+58=26+8=37+5=77+5=58+8=26+57=4+18=68+13=32+18=65+56=28+16=6+16=54+18=46+7=46+37=24+8=36+48=25+37=86+7=
14、52+18=26+8=5+39=72+9=15+38=25+16=53+39=58+27=46+27=25+37=66+17=69+21=28+54=39+28=19+62=58+32=43+28=18+23=43+8=36+15=29+35=25+37=54+7=34+9=24+16=58+34=42+9=29+27=19+35=68+12=27+28=53+27=7 0-3=8 1-1 8=71 26=7 2-2 5=4 0-1 9=7 2-7=7 7-2 2=9 1-6 5=4 9-4 0=4 5-3 0=6 2-7=8 1-3=7 4-2 1=9 0-9=7 7-3 9=3 0-1 2
15、=5 0-3 6=6 4-3 8=2 8-1 9=3 5-1 9=6259=5 0-4 2=5 4-3 7=71 33=7 2-2 8=3 4-2 8=50-32=92-47=41-72=82-16=85-57=21-15=53-35=44-44=32-23=4028=43-26=37-21=46-17=65-47=74-47=81-13=65-32=72-67=65-19=77 19=55-28=41-27=92-68=62-57=60-22=70-21=88-9=4419=66-38=71-28=5+40=70+1=544=30-18=13+60=36-17=4+40=17+48=60+3
16、=766=87-19=60+3=70+9=56-28=49+3=32-26=62-29=4227=9557=67-7=8+20=2+30=944=6+50=70+8=48-19=37-7=2+50=26+58=65+19=52-28=35+26=8+70=23+719=32+87=32-26=85-58=24+28=78-19=26+28=52+29=55+17=74-15=54-48=88-28=81-34=35+36=4415=3x6=18+3=18+6=15+3=6+3=25+5=20+5=5+5=30K6=9+3=4x3=16+4=12+4=8+2=24+4x4=20+4=24+6=2
17、x5=6x9=2x9=9x4=8+2=104-5=9+3=5x6=49+7=18+6=6-7-2=6+2=12+2=2x7=15+5=30+5=24+6=16+4=20+4=15+3=10+5=57=18+6=30+6=4x5=6x3=16X=25+5=364-6=5+1=12+2=42+6=24+3=2x6=6x6=25+5=12+4=3x8=15+5=33-9=184-3=8+72=3x6二42-5=20+5=50-27=10+5=26+7=184-3=18+6=30+5=20+4=5+67=4x9=18+23=43+8=36+15=29+35=25+37=54+7=34+9=24+16=
18、58+34=42+9=45+5=1 =5x5=72+8=9+9=24+8=144-7=6+1=15+3=3x6+2=4+2=6x2=6+2=10+5=70-52=49+7=10+2=54+6=20+4=4x9+6=21+3=3x6=9+3=90-45=24+4=15+5=27+9=9x9=72+9=3x4+2=36+4=5+5=56+41=56+7=164-2=42+6=18+2=5x1=45-39=3x6+3=24+6=56+7=36+6=24+3=4x5=27+3=8+4=56+8=36+9=3x6代45+5=6+6=12+6=1x4=18-6二1x8=24+8=36+6=48+6=4x6
19、4-8=54+6=7+7=5勺=1x6=56+8=21+7=28+7=7x3=354-7=2x3+6=42+7=45+9=30+6=49+7=9x2=56K=64+8=24+6=63+7=8x5 8=4x3=16+8=72+8=2x7=9+9=27+9=5x7=18+9=8x3=81+9+3=72+9=81+9=9 7 =18+9=1x1=42+6=24+8=36+4=63+7=19+2x4=2x5=54+6=2x8=20K4=4x7=49+7=10+2=304-6=3x7=3x8+40=45+9=9x4=5x6=6x2=32+8=1x5=48+8=2x7=4x8=2x6+4=7x6=12+2
20、=4x9=12+4=5x8=6+3=7x9=63+7=32+8=40+8x5=2+1=5x3=2x6=64+8=3x3=5x4=3x2=3 8=23+17=16 244=42+6=1x9=54+9=6x3=3x1=9x6=6x4=4x4=6x5=27+9x7=8x1=54+6=74-1=8x8=63+7=8x9=8x5=40+8=9x3=54+9x3=6x9=30+6=7x3=9x9=16+4=7x7=28+7=40+8=6x6=63+9x4=7x4=91=7x8=24+6=7x5=24+3=81+9=3x6=25+41=564-7x6=144-2=35+7=63+24=9x2=36+6=9x
21、5=35+7=27+3=4+4=56+8x9=36+9=42+7=12+3=5x9=20+4=5x7=9x8=18+3=87=1x6x8=9+9=164-2=7 1-6 8=6+1=154-3=9x3=45+45=5x9=66+26=5x5+52=72+8=9x8=52+35=8+4=14+2=6x2=6+2=49+7=10+2=54+6x4=27+9=20+4=3x6=30+6=15+5=49+7=9x4=9+3=9x7=42+6x6=24+4=18+9=9x9=72+9=2x2=30+6=14+2=7x8=35+5=5x6+41=8046=10+5=42+6=7x2=18+2=65+26=
22、5x6=36+9=6x4=54 6-3=8+8=4x8=75-64=2x1=8+8=32+85-62=20+5=6x5=40 5+2=16+8=50+40=21+3=5x8=284-7=5x4=24+8=6x7=35+5=4x94-6=21+7=3x8=8+2=4x8=30+5=18+3=5x2=48+6=42+36=8 4=25+5=63+9=28-4二5x5=81+9=3x6=25+41=14+7=4x3=90-65=4x5=41+25=4x7=35+7=4x9=36+24=12+2=78-19=3x8=12+4+9=1 =5x5=72+8=81+9=8x2=18+9=27+9=27+3=
23、3x4=27+9x9=5+1=4x3=15+3=184-2=8x6=4+2=6x2=6+2=42+6=64+8x8=9x2=8+4=494-7=45-6=10+2=3x6=9+3=8x6=4+1=9x9+12=72+9=4x5=36+4=45+5=39+45=30+6=42+7=10+5=4x2=18+2+3=9x5=14+2=4x6=15+5=21+3=8x4=24+4=8x7=164-2=4x8+52=24+6=3x7=8+8=32+4=3x5=6+3=3x9=63+9=4x9=25+5x8=6x5=30+5=6x6=40+5=8x7=3 8=36+42=21+3=4x2=48+6x4=3
24、5+5=2 7=3x8=8+2=4x1=18+3=8x9=28-4二9x1=8+1x8=3x6=28+7=24+8=3x9=20+5=4x1=12+3=4x9=81+9=5x720=25+41=14+7=6+6=63+24=42+7=5x2=56+7=3x7=12+2=4x9+40=75+21=6957=49+37=8125=40+8=25x3=268+125=280+40=6622=46x20=85-42=9031=60 x9=55+41=30 x4=581+12=400 x5=45+3=51+31=13x3=6CT4=120-50=300-64=64x10=6+6x7=400 x5=50-
25、31=425x0=528-0=450+80=57+140=800 x2=3000-400=420+7=6x80+20=420330=5x28=60 x5=17x3=212+88=630+9=350+7=700 x2=18x4=320 x3=60 x15=72 6+2=400 x3=8+2x20=22+40=7x8-7=56+8=380-190=400 x6=50-23=35x0=40 x6=300 x6=7+3x4=90-26=8x6+7=522+23=6x44-2=120 x4=80 x5=40 x5=15x5+5=600-50=56x2=200-36=15+5x3=380+50=789+0
26、=300+5=15x4+8=680 x0=40 x25=6x6+6=43624=111x9=120 x3=360+80=300 x7=85+247=310 x3=200 x5=320 x2=660+6=700 x2=80 x3=70+550=800 x6=500 x4=540+9=14x5=350-80=570+50=23x3=180+3=200 x8=530-70=850 x2=263-80=850+2=98+26x0=102x2=700 x3=310 x3=300+5=80 x5=6000+4000=5000500=8600600=1300500=600 x4=59+42=8738=43x
27、7=245x9=309x5=490 x5=70+550=800 x6=500 x4=540+9=14x5=350-80=570+50=23x3=1804-3=200 x8=530-70=850 x2=26380=850+2=98+26x0=102x2=700 x3=310 x3=300+5=80 x5=6000+4000=5000500=8600600=1300500=600义4=59+42=8738=43x7=245x9=309x5=490 x5=75+21=6957=49+37=8125=40+8=25x3=268+125=280+40=6622=46x20=85-42=9031=60 x
28、9=55+41=30 x4=581+12=400 x5=45+3=51+31=13x3=6CT4=120-50=300-64=64x10=6+6x7=400 x5=50-31=425x0=528-0=450+80=57+140=800 x2=3000-400=420+7=6x80+20=420330=5x28=60 x5=17x3=212+88=630+9=350+7=700 x2=18x4=320 x3=60 x15=72 6+2=400 x3=8+2x20=22+40=7x8-7=56+8=380-190=400 x6=50-23=35x0=40 x6=300 x6=7+3x4=90-26
29、=8x6+7=522+23=6x44-2=120 x4=80 x5=40 x5=15x5+5=600-50=56x2=200-36=15+5x3=380+50=789+0=300+5=15x4+8=680 x0=40 x25=6x6+6=436-24=111x9=120 x3=360+80=300 x7=85+247=310 x3=630+9=350K=700 x2=18x4=320 x3=60 x15=726+2=400 x3=8+2x20=22+40=7x8-7=56+8=380-190=400 x6=50-23=35x0=40 x6=300 x6=7+3x4=90-26=8x6+7=52
30、2+23=6x44-2=120 x4=80 x5=40 x5=15x5+5=600-50=56x2=20036=15+5x3=380+50=789+0=300+5=15x4+8=680 x0=40 x25=6x6+6=436-24=111x9=120 x3=360+80=300 x7=85+247=310 x3=200 x5=320 x2=660K6=700 x2=80 x3=630+9=3504-7=700 x2=18x4=320 x3=60 x15=72 6+2=400 x3=8+2x20=22+40=7x8-7=56+8=380-190=400 x6=50-23=35x0=40 x6=3
31、00 x6=7+3x4=90-26=8x6+7=522+23=6x44-2=120 x4=80 x5=40 x5=15x5+5=600-50=56x2=20036=15+5x3=380+50=789+0=300+5=15x4+8=680 x0=40 x25=6x6+6=43624=111x9=120 x3=360+80=300 x7=85+247=310 x3=75+21=6957=49+37=8125=40+8=25x3=268+125=280+40=6622=46x20=85-42=90-31=60 x9=55+41=30 x4=581+12=400 x5=45+3=51+31=13x3=
32、60+4=120-50=300-64=64x10=6+6x7=400 x5=50-31=425x0=528-0=450+80=57+140=800 x2=3000-400=420+7=6x80+20=420-330=5x28=60 x5=17x3=212+88=23+19=6445=96+3=58+36=4011=110-60=560-5000=77+7=606=44+49=99+9=8800-80=960-6000=800-60=64+26=77+7=93-31=44+49=15+67=63-52=19+61=80-55=50-39=82-62=30+6=23+36=6000+900=20+
33、67=36-18=304-6=80+8=78+19=84+4=21x3=82-26=64+26=19+66=80-22=7x10=85+28=76-17=22+29=42+2=40 11=90-43=31x2=93-31=110-60=63-25=31-15=34+19=18+71=50-5=310-1000=1600-700=5400-400=78-69=18+71=2000+60=58+36=9300-300=80-22=44+29=76-17=34+19=82-62=7x10=93-31=23+19=1100-100=23+19=82-26=150-90=50-39=18+71=800+
34、600=9300-300=39+3=96+3=39+3=5 0 s22+2=44+29=63-52=34+19=180+9-18=24+4=7+63=9x4=364-6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=4 5 s7 7 =25+23=12+35=27+71=46+33=40+8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35 8=56+7=8x2=7+56=56+7=12+6=4x2=2 1-7=7x3=8+8=32+4=8 0-9=42+7=356=284-7=21+3=36+4=18+
35、2=634-7=9x6=9x9=46+10=65+40=8 9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=40+8=61-13=15+5=9x3=42-15=18+9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300=10+5=83-29=5x6=43-17=21+27=32+8=30+6=36+4=64+8=5X=154-3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=37-9=18-6=45+4=45+8=38-30=5
36、6+8=354-7=25+20=49+7=42+6=35+7=49-9=6+6=48+6=41-8=72+8=40+8=82+9=5x7=6x3=6x7=7+7=72+8=72-20=34-8=6x8=9x6=5x9=36+9=55-8=23-10=7x5=29+4=9x4=72+9=63+7=3x8=7x6=8+27=63+9=45+9=46-8=28+7=24+40=42+7=9+1=64+8=6x5=28+4=6x4=4x2=5x6=72-8=81+9=30-21=9x3=54+6=9 7 =42+6=8x6=37+9=18+6=45-8=38+30=35+5=25-20=30+6=21
37、+7=6+56=18+6=164-8=27+9=8+8=5x7=9x3=8+8=32+8=7x8=5x9=184-9=7x7=9x4=274-9=3x7=8x6=14+7=54+9=28+7=29+40=7+24+8=24+4=8x4=5x3=72+8=30 11=9x9=8+8=16+4=18+29=42+6=6x8=9+36=18+63=36+23=36+23=8x4=7x8=28-17=41-35=32-28=73+18=36+6=12+4=23+21=32+14=4624=90-45=45+9=9+3=53+36=73+23=14+7=45+5=1=54+9=67-7=25+36=19
38、+20=42+20=68-54=8448=4419=35+5=49+7=8 9=6+3=4+2=42+7=70-26=9+9=34-18=43+18=12+6=56-8二71+17=52-14=3X=63-40=21+3=48+6=52+25=52+42=49+7=4+4=75-46=65+20=28+16=4 5-2 8=16+4=3 5-2 8=57 38=26+34=8 6-3 4=64+8=40+5=42+39=8 4-5 6=19+21=34+18=5 0-1 4=39+25=24+38=7 5-9=34+18=20+5=15+30=18+9=27+3=72+9=36+4=7 2-5
39、 8=25+37=30+6=25+5=54+6=49+7=44 15=15+3=85 37=23+69=24+4=12+6=24+15+3=4x9=306=12+4=33-25=36+4=68-54=27+9=6x7=28+4=32+8=7x3=4729=24+3=14+7=54+28=12+6=63+7=64+8=30+5=5x4=36+6=179=25+5=71-50=56+8=45+9=7x7=48+8=57+36=4419=82-48=7416=63+7=18+9=5x8=48+6=45+5=56+8=49-30=63+9=357=6x7=32+4=18+9=27+3=54+9=72+
40、8=37-9=7+44=54+9=64-8=3x7=23+8=30K6=5x9=24+7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=7X=25+23=12+35=27+71=46+33=40+8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56+7=8x2=7+56=56K=124-6=4x2=21-7=7x3=8+8=32+4=80-9=()x6=3042+7=356=28+7=()x8=4821+3=36-4二18+2=63K=9x6=9x9=46+10
41、=65+40=81+9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=404-8=()x4=2061-13=1 5 s9x3=4215=18+9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=10+5=83-29=5x6=43-17=21+27=32+8=30-6二36+4=64+8=5X=15+3=164-8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=27+9=53+8=4x9=8+2=32+8=8口=9x9=84+7=80-44=89-8=6
42、4-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9口=7+7=8x9+21=58-36=5x7=72+9=36+6=81+9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=6 4-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=2 4-6 x 3=4 x 8-5=274-3+6=56+7 3=49+9+7=4x34-2=6+3x7=84-4x3=6x5+37=124-4+18=164-4x8=8+4+48=25+5+36=6x8 一 2二2x8+4=8x94-9=36+
43、6+3=9+9x6=42Kx6=9680+7=64408=404+20=7x5-8=14+7+25=15+5+8=8x98二1x2+20=54+6+33=510+200=1545+9=11-40-8=7+1x8=130+80=46-8=8x57=9x3 8=30+6=36+4=4x5+44=48 8+7=1800+200=93-80=6x5+37=10-81=7x8=734=3x8+4=7x6+10=72+8=64-8=24x0=71-7+30=70-5x9=8x9+21=27+9=53+8=4x9=8+2=32+8=8X=9x9=84+7=80-44=1800-900=4900-1800=4
44、20+80=430+1000=500-60=89-8=648=34+9=144-7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9X=7+7=8x9+21=5x7=72+9=36+6=8 9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42K=64-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=24-6x3=4x8-5=27+3+6=56 7-3=49 9+7=4x3+2=6+3x7=8+4x3=6x5+37=12+4+18=16+4x8=8+4+48=25+5+36=6 x 8-2=2x84-4=
45、8x9+9=36+6+3=9+9x6=42+7x6=96-80+7=64-40-8=40-4+20=7x5-8=14+7+25=15+5+8=8x98=6x5+37=10-84-1=7x8=73-4=3x8+4=7x6+10=72+8=648=24x0=71-7+30=48+8+7=70-5x9=8x9+21=54+6+33=510+200=7+1x8=130+80=46-8=8x57=9x3 8=30-6二36+4=4x5+44=11-404-8=24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=7X=25
46、+23=12+35=27+71=46+33=40+8=21+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56K=8x2=7+56=56+7=1296=4x2=21-7=7x3=8+8=32+4=809=()x6=3042K=35-6二28+7=()x8=48214-3=36+4=18+2=634-7=9x6=9x9=46+10=65+40=81+9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=40+8=()x4=2061-13=15+5=9x3=42-15=184-9=18060=72-40=47+8=
47、14+85=61+27=170+20=5x9=7x7=73+16=60+300=104-5=83-29=5x6=43-17=21+27=32+8=30+6=36+4=64+8=5勺=154-3=16+8=42-6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=27+9=53+8=4x9=8+2=32+8=84-1=9x9=84+7=80-44=1800-900=420+80=430+1000=500-60=89-8=64-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9X=280+450=7+
48、7=8x9+21=9642=58-36=5x7=72+9=36+6=81+9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=64-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=246x3=4x85=27 3+6=56 7 3=49+9+7=4x34-2=64-3x7=8+4x3=6x5+37=12+4+18=164-4x8=8+4+48=25+5+36=6x8 一 2二2x8+4=8x94-9=36+6+3=9-?9x6=42Kx6=9680+7=64408=404+20=7x5-8=14+7+25=15+5+8=8x98二1x
49、2+20=54+6+33=510+200=1545+9=11-40-8=7+1x8=130+80=46-8=8x57=9x3 8=30+6=36+4=4x5+44=48 8+7=93-80=6x5+37=10-81=7x8=73-4=3x8+4=7x6+10=72+8=64-8=24x0=71-7+30=70-5x9=8x9+21=27+9=53+8=4x9=8+2=32+8=8X=9x9=84+7=80-44=500-60=89-8=64-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9X=280+450=7+7=8x9+21=58
50、-36=5x7=72+9=364-6=814-9=42+13=24+3=24+8=27-3=42+13=426=7+44=42+7=64-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=246x3=4x8-5=27+3+6=56 73=49+9+7=4x3+2=6+3x7=8+4x3=6x5+37=12+4+18=164-4x8=8+4+48=25+5+36=6 x 8-2=2x84-4=8x94-9=36+6+3=999x6=424-7x6=96-80+7=64408=40-4+20=7x5-8=144-7+25=15+5+8=8x9-8=1x2+20=93-80=