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1、0.4x8 =0.2x4 =6.2x2 =2.2x4 =9.2x4 =5.1x3 =0.2x8 =0.2x3 =0.6x80 =0.07x4=0.08x9=0.91x2 =0.92x5 =4.4x20=0.21x6=0.51x4=0.05x7=0.04x3 =0.52x30=0.63x20 =0.9x2 =0.5x6 =0.4x3 =0.9x4=0.7x9 =0.6x9 =9.2x3 =2.2x3 =0.07x9=7.1x90=0.74x2 =8.3x20=9.1x40=6.1x40=0.06x3 =0.06x5 =0.12x3 =2.1x80=0.02x30=0.42x50=0.9x2 =0
2、.4x7 =0.2x3 =0.6x5 =0.4x6 =7.2x4 =1.4x2 =0.4x9 =7.2x20=0.07x2 =9.4x20 =0.03x4=0.21x2 =0.12x5 =0.23x2 =0.82x3 =0.51x8 =0.93x3 =0.41x90=0.71x70=0.8x2 =4.5x2 =0.3x8 =0.7x4=6.1x5 =0.5x7 =0.8x9 =4.2x4 =8.2x20=0.9x60 =0.02x9 =0.03x2 =0.11x4=7.3x20=0.93x2 =3.1x30=0.08x2 =0.41x50=0.52x40=0.53x20=0.7x5 =0.8x
3、4 =0.7x6 =4.3x2 =0.7x5 =1.2x3 =0.6x3 =0.07x3 =2.4x20=0.41x7=0.81x9 =4.3x30=6.2x40=0.03x9 =5.5x20=0.06x9 =9.5x20=0.43x30=0.91x70=0.85x20=101x0.47=4.9x5x0.2 =1.4x1.25x8 =1.9x1.25x8 =9.4x0.25x4 =4x1.9x1.25 =0.5xl.9x0.2 =2.5x7.4x2.4 =0.4x6.3 x2.5 =0.2x3.8x0.5 =2.8x4.4x2.5 =0.5x7.4xl.8 =8.2x0.125x8 =5.85
4、+9.1+7.15=9.4x1.25x0.8 =8.59+334+8.41=9.54+5.29+9.46二1.58+7.64+8.42=5.82+2.67+4.18=6.39+7.82+7.61=7.4x5x0.2 =6.6x25x0.4 =4.4x12.5x8 =8.1x12.5x8 =1.1x25x0.4=4.7+5.61+5.3=0.5x2.2x0.6 =1.4x2.5x0.4=1.4x9.5x0.5 =0.4x2.8x2.5 =2.5x4.6x3.2 =83x125x0.8=9.63+4.9+5.37=3.2x2.4x1.25 =2.4x3.1x1.25 =3.45+9.83+3.55
5、 二6.44+8.31+2.56=7.59+5.72+5.41=1.54+5.31+8.46=4.22+8.61+7.78=3.9x5x0.2 =5.3x0.25x4=9.5x12.5x8 =4x2.9x1.25 =4x6.2x1.25 =1.2x7.1x0.5 =2.5x97x1.6 =1.2x9.2x0.5 =0.6x63x0.5 =2.5x6.7x3.6 =8.6x2.5x0.4 =2.7x0.125x8=1.75+6.9+7.25=9.2x1.25x0.8 =5.82+2.34+6.18=4.34+8.92+8.66二1.78+1.39+2.22=6.35+4.23+5.65二6.62
6、+3.62+6.38=8.89+1.17+7.11=4x6.9 + 96x6.9 =7.3+9.7+7.7+63=3.6+23+5.4+9.7=8.1+7.3+9.7+6.9=3.6+6.7+5.4+2.3=8.4+18+5.6+7.2=5.9+1.9+6.1+6.1=6.6x23-1.3x6.6=4.6x8.3-23x4.6 =1.6x6.8-4.8xl.6=6x2.62 + 94x2.62 =3x4.76+97x4.76=4.9x7.2 + 5.1x7.2 =4.9+0.32+1.68+8.1=9.2x12.5x0.08 =5.4+7.6+16+4.4=9.2+8.4+7.6+8.8=3.
7、5+2.2+6.8+8.5 二6.9+2.6+91+9.4=2.4+8.7+1.6+53=17x5.9-1.7x1.9=6.5x9.6-1.6x6.5 =9.7x3.3-3.3x17=1.3x4.4-1.3xl.4=94x9.15 + 6x9.15 =99x8.66+1x8.66=8.2+4.89+3.8+7.11 二3.5+9.9+3.5+9.1=7.5+53+2.5+9.7=7.3+7.54-1.5+1.7=8.6+3.4+4.6+3.4 二5.7+1.7+8.3+23=9.3+9.1+7.9+6.7=5.6x4.3-4.3x4.6 =3.6x4.5-3.6x3.5 =5.9x6.1-2.
8、1x5.9 =5x0.66+95x0.66=23x1.6+7.7x1,6=6.3x6.7+3.7x6.7二6.1+1.83+7.17+6.9=0.4x9 =1.6-2 =48.4:8=0.06x2 =4.2x30=0.84x2 =0.8x0.8=07x0.9 =36.18-9=12.12-2=0.02-0.2 =0.064-0.3 =0.61x0.6=0.02x0.2 =101x0.86=9.8x0.5x2 =9.7x5x0.2 =3.1x0.25x4 =5.9x25x0.4=8x6.2x12.5 =4-0.8 =1.1x50=25.3:5 二1.2x40=0.04x5 =0.91x9 =0.
9、”0.5 二1.8:0.9 二0.51x30=0.23x0.3 =0.41x0.3 =0.354-0.5 =0.64-0.8=101x0.28=101x0.17=2.5x5.9x4=3.5 x0.5x2 =2.4x1.25x8 =9.7x25x0.4 =1.25x8.5x8 =4.8-6=0.42-7=0.05x3 =0.18:6 二0.08-4=3.6 :0.4二69x0.5 二2.2x0.2 =56.32-8=0.21-0.3 =0.45x0.2 =0.71x0.5 =0.46:0.2二101x0.54=17x5x0.2 =9.9x5x0.2 =12.5x8.4x8 =2.8x0.25x4
10、 =7.4x8x1.25 =12.5x6.8x8 =2.3x0.5x0.2 =9.5x2.5x0.4 =2.2x125x0.8 =7.9x7+2.1x7 =6.6x0.8x 12.5 =7.4x125x0.08 =97x3.2 + 3x3.2 =7x1.38+93x1.38=91x5.74+9x5.74=91x6.46+9x6.46=7.9xl.5 0 7.91.6x37 0 3.70.91x0.9 0 0.91.49x5.410 5.415.2x2.5x0.4=6.4x0.5x0.2 =125x5.1x0.8 =7xl.4 + 3xl.4=1.25x9.9x0.8 =96x0.4+4x0.4
11、=8x2.3+92x2.3 =2.1x9.9+7.9x9.9=0.9x4.9+0.1x4.9 =0.2x4.1 + 0.8x4.1 =5.5xl.6 0 5.59.7x0.91 0 9.76.89x0.1 6.896.6x2.5x0.4 =8x9.2x0.125 =125x6.3x0.8=4x4.3 + 6x4.3 =5.2x1.25x0.8 =99x1.4+1x1.4=12.5x2.1x0.08 =0.8x5.5+0.2x5.5 二0.8x2.5 + 0.2x2.5二2.7x8.9+73x8.9 =O.lxl.9 0 0.11.61x3.5 0 3.5137x0.3 0 1372.1-7 =
12、2.8:7 二0.7x70=0.24-3 =0.18-2 =60x0.7=0.56-8=6.6-1.1 =3.9-13 =30.42-6=8.07x10=0.21-0.7=1.3x0.05=0.06+0.2=0.8x8.06=0.3x30.6=0.354-0.5 =0.63-0.7=0.72x0.5 =0.27x100=1.8-9 =5.4-6=0.06x6=2x20.7=0.36-9=80x4.4=07-0.1=8.2-4.1 =14x0.03 =21x0.01 =0.04x54=0.9x0.94=0.03x0.6=0.09x0.3 =0.3x0.08=0.2x0.05 =0.5x30.3
13、=0.5x3.07=0.03x0.9=790x0.06=4.6-2 =7.2-9 =3.08x8 =8x0.08=0.9x46=0.08:2 二0.9-0.1 =1.8-0.2 =30.48-6=60.1x40=0.08x90=0.14-0.2 =0.63:0.3二8.3x0.06=0.72-0.9=0.56:0.7二0.86-0.2 =0.83x0.2 =0.1x60.3 =690x0.06=3.6-4 =1.1x5 =4x7.08 =2x0.08=70.1x4=3x10.6=5.4x0.4=4.9-07=21.56-7=40.1x10=24.16-4=0.01x9.8=0.49:0.7二0
14、.7x90.9=0.09x0.6=0.8x0.02 =3.4x0.03 =0.6x0.29=4.5x0.06=0.48x100=0.9-3 =0.2x6 =0.05x7=0.54-6=0.28-7=80x0.6=03-0.1 =07x0.9=40x0.24=12.12-2 =10.3x0.4=0.45:0.5 二0.64-0.8=0.8x10.4=0.06x0.6=0.8x4.04=0.8x3.02 =0.16x0.1=650x0.03=800x0.61=1.1x03 =0.5x07 =33x0.2 =3.5x0.2 二03x0.2 =22x0.4 二3.4x02 二3.2x0.2 =2.1x
15、0.4=45x0.2 二0.13x0.3 =0.03x0.3 =0.72x0.3 =0.61x0.8 =0.91x03 =0.41x0.4=0.51x0.9=0.64x0.2 =0.73x0.3 =07x0.9 =0.6x0.2 =12x0.2 =4.1x0.2 二07x0.6=l.lx0.6=1.1x07=3.1x0.2 =2.1x0.2 =13x0.2 =0.43x0.2 =0.02x0.2 =0.32x0.3 =0.32x0.4=0.91x0.8 =0.61x0.4=0.14x0.2 =0.44x0.2 =0.13x0.2 =1.4x0.2 =0.3x0.7 =2.5x0.2 =1.2x
16、03 二1.2x0.4=2.1x03 =4.4x0.2 =0.9x0.8 =0.5x0.5 =2.2x0.3 =0.51x0.6=0.93x0.2 =0.21x0.8=0.92x0.3 =0.11x0.9 =0.23x0.3 =0.42x0.4=0.12x0.3 =0.73x0.2 =2.3x0.2 =11x0.5 =12x0.5 =11x0.8 =0.2x0.3 =0.9x0.6=2.3x03 =0.8x0.7 =4.2x0.2 二15x0.2 =0.62x0.5 =0.94x0.2 =0.34x0.2 =0.53x0.2 =0.21x0.7=0.52x0.3 =0.52x0.5 =0.71
17、x0.5 =0.72x0.5 =13x0.3 =43x0.2 =0.8x0.2 =0.3x0.8 =0.8x0.5 =0.6x0.3 =11x0.2 =2.4x0.2 =2.2x0.2 =11x0.4=0.51x0.3 =0.51x0.2 =0.21x0.3 =0.41x0.7=0.42x0.3 =0.71x0.9=0.42x0.2 =0.71x0.6=0.95x0.2 =101x0.82=5x(483x2) =5.4x0.25x4=3.8x25x0.4 =2.4x63x2.5 =2.5x3.4xl.6 =0.5x9.1x0.4=2.5x 5.9x3.6 =0.5x4.9x1.6=0.4x7.
18、8x0.5 =5x(11.55x2) =4.2x0.125x8 =0.8x4 + 6.2x4=2x6.9+8x6.9=1.25x6.5x6.4=4.8x12.5x0.8 =4.8x7.3x1.25 =8.3x125x0.08 =98x5.9 + 2x5.9 =1.25x(8x90.3) =5x(2x54) =3.3 x25 x0.4 =7.7x0.25x4 =1.7x12.5x8 =9.8x2.5x0.4=1.2x3.6x0.5 =2.5x2.9x0.8 =0.2x2.1x0.5 =0.5x6.5x1.2 =5x(35.76x2) =5x(82.71x2) =4xl.l + 6xl.l =3.
19、9x2 + 3.1x2 =2.5x(40.4x4) =6.5x1.25x0.8 =1.25x5.2x3.2 =8.5x1.25x0.8 =3.2x125x0.08 =2.5x(4x30.61) =2.5x(4x76.83) =2.5x87x2 =2.8x0.25x4 =5.9x1.25x8 =2.5x6.6x2.8 =0.6x9.2x0.5 =0.5x5.lxl.8 =6.4x2.5x0.4=1.2x8.1x0.5 =0.5x9.1xl.2 =5x(32.25x2) =5x(79.58x2) =7x1.6 + 3x1,6=1x4.3+9x4.3 =2.5x(4x57.3) =5.6x1.25x
20、0.8 =7.2x7.9x1.25 =8.2x125x0.08 =7.9x125x0.08 =2.5x(4x97.15) =2.5x(35.68x4) =2.5x(52.23x4) =1.25x(8x94.07)=1.25x(8x51.61) =3.4x6.1 - 3.4x3.1二4.3 x 3.8-3.8x 1.3 =8.2x57-1.7x8.2 =3.6x4.4-4.4x3.6=8.2x6.7-27x8.2 =6.1x3.3-2.3x6.1 =8.8x3.2-1.2x8.8=3x0.24+97x0.24=94x6.62+6x6.62=0.6x4.2+9.4x4.2 =1.3x1.6+87x
21、1.6=3.8x12.5x0.08 =1.25x(88.41x8) =1.25x(8x52.89) =9.1x6.9-9.1x2.9 =7.2x6.8-2.8x7.2 =5.1x6.1-2.1x5.1 =5.4x5.6-5.4x3.6 =3.8x37-3.7x1.8=7.5x3.5-7.5xl.5 =二0.3x8.3+0.7x8.3 =0.4x5.8+0.6x5.8=92x3.25+8x3.25 =8.9x12.5x0.08 =1.25x(49.66x8) =3.1x1.5-15x1.1=9.8x4.3-9.8x3.3 =3.5x7.2-7.2x2.5 =8.7x6.8-8.7x3.8 =19
22、x8.2-1.9x1.2 =77x4.4-7.7x3.4=7.7x4.3-2.3x77=93x5.45+7x5.45 =0.2x7.9 + 0.8x7.9 =92x5.61+8x5.61=1.9x54+8.1x5.4=口算练习-单元综合练习总题数:100题0.2x3 =3.1x2 =0.5x7 =2.1x9 =0.04x9=0.51x2 =0.09x4=0.8x30=0.05x7=0.5x0.6=0.2x0.9 =41x0.2二11x0.2 =0.95x20=0.81x50=0.23x0.3 =0.31x0.3 =2.4x5x0.2 =2.2x1.25x8 =9.9x2.5x0.4 =6.2x
23、4 =5.3x3 =0.6x6 =0.71x8=0.3x40=0.07x5 =0.03x2 =0.82x5 =3.4x02 二1.1x03 二3.3x0.2 =1.2x0.4=63x0.8 二0.31x40=0.52x40=0.03x0.2 =0.31x0.6=5x(66.6x2) =4.3x25x0.4 =2.5x7.6xl.2 =0.8x6 =6.4x2 =0.1x5 =0.2x50=0.91x8 =1.4x20=0.05x9 =4.1x90=11x0.8=0.7x0.6=1.5x0.2 =1.2x0.2 =11x0.6=0.31x60=0.51x0.7=0.11x0.9=101x0.39
24、=3.7x1.25x8 =1.9x1.25x8 =3.6x2.5x2.5 二1.2x6.8x0.5 =1.4x4.5x0.5 =5x(2x44.65) =3x2.2 + 7x22二1.25x8.8x6.4=1.25x3.3x2.4=91x9.8+9x9.8 =2.5x(4x52.27) =1.25x(8x15.28) =2.3x6.1-6.1x23 =4.5x7.1-4.5x2.1 =3.5x5.2-5.2x2.5 =5.1x4.7+4.9x47=0.2x8.5 + 0.8x8.5 =0.5x6.4x0.4 =5x(40.92x2) =5.7x0.125x8=7x9.6 + 3x9.6 =1.
25、25x1.6x5.6=1.25x8.3x3.2 =2.5x(4x92.95) =1.25x(8x30.49) =5.1x7.2-7.2x4.1 =8.4x9.5-8.4xl.5 =6.9x7.8-7.8x4.9 =8.9x5.4-8.9x4.4=9x2.82+91x2.82=1.4x8.8x0.5 =5x(93.75x2) =3.9x0.125x8 =8.9x12.5x0.8 =4.7x12.5x0.8 =8x4.6+92x4.6=2.5x(64.27x4) =1.25x(49.59x8) =4.8x2.9-2.9xl.8 =3.3x57-3.3x5.7=2.5x5.2-3.2x2.5 二99
26、x8.92 + 1x8.92 =92x1.75+8x1.75=4-5 =9.3-3 =2.6:2=2.5:5=2.4-6=8.8:2 =3.6:3=0.9-9 =4.8-2 =0.6-6=2.7-9 =0.36-4=0.12-3 =0.25-5 =0.32-8=0.42-6=0.12-4=30.48-6=27.27+9=36.36-6=3-5 =5.6-7 =3.6:4 二0.2-5 =8.8:4二1.6:8二6.6:3 二0.3-6=2.1-7=3.9-3 =3.5 5 二0.42-7=0.03:3二24.24二40.4-8=0.63-9=0.18-6=18.18-2=28.49+7=27.
27、36-9=6.3-7 =8.4-2 =7.2-9 =0.7:7 =4.2-6=4.6:2 二0.8:4 二8.2-2 =1.4-7=6.4-2 =4.27 二0.07-7 =0.14-2 =0.02-2 =0.06:2二0.12-2 =0.28-4=63.81+9 二49.49-7=32.72-8=4.8-4=2.8:4 二6.6:2 二0.4-5 =5.4-6 =3.6 : 6 二6.8一2 二0.6-2 =6.3-9 =3.2-4=42.3 6二28.8:4 二0.49:7二0.16-8=0.35:7二0.36-9=45.3-5 =27.18-3 =45.25-5 =12.16:4二0.4
28、-8 =6.9-3 =6.2-2 =1.2-4=2.8:2二0.8:2 二8.6:2 二1.6-4=4.2-2 =3.2-8 =0.27-3 =0.63:7 二0.24-8=0.244二0.16:2二0.05-5 =0.27-9 =42.63-7=20.15-5 =24.21-3 =4-0.5 =3.5-07 =1.8:0.9 二4.5-0.5 =8.4:2.1=0.34-0.5 =6.4:0.8 二二3.5- ?0.5 =8.8-2.2 =3.64-0.6=0.42-0.2 =0.48:0.6二0.44-0.2 =0.64-0.8=0.99-r0.3 =0.82-0.2 =0.28-0.2
29、=0.15-0.5 =0.84-0.4=2-0.5 =3.6- 1.2 =4.8:2.4 二6.34-0.9=2.81.4=5.4:0.6=1.2-0.4=4.4-1.1 =27-0.3 =2.1-07 =7.228二0.54-0.9=0.634-0.3 =0.08-0.2 =0.88:0.4二0.12-0.2 =0.96-0.3 =0.04-0.2 =0.88-0.2 =0.39-0.3 =0.6-0.1 =9.9-1.1 =0.8M.2 二6.64-3.3 =2.61.3 =6.6:2.2 二933.1 =1.6-0.8=9.94-3.3 =8.4-4.2 =8.8-4.4=0.24-0.
30、4=0.24-0.3 =0.054-0.5 =0.72-0.8=0.45-0.5 =0.04-0.1=0.84-0.2 =0.09-0.9=0.04-0.4=6.9-23 =0.2-0.5 =8.2-4.1 =5.607 =070.1 =二4.623 =6.3-07=27-0.9 =3.60.4二0.354-0.5=0.28-0.7=0.664-0.3 =0.56-0.7=0.48:0.2二0.094-0.3 =0.12-0.4=0.564-0.8=0.48-0.4=0.66-0.2 =6.2-3.1 =0.1-0.2 =0.4-0.2 =6.4-3.2 =5.4:0.9二1.6:0.4=4.
31、8W.6 二1.6-0.2 =4.2-0.6 =2.2-1.1 =0.68-0.2 =0.24-0.2 =0.32-0.4=0.08-0.1=0.18:0.9二0.18-0.2 =0.09:0.1二0.26-0.2 =0.364-0.3 =0.63:0.7 二2-4 =3.9-3 =6.9:3=0.05-5 =0.2-0.5 =9.6-3.2 =0.1-0.2 =3.2-0.4=0.80.1 =1.8:0.9 二15.24-3 =54.24:6 二32.32-4=12.15:3 二30.24-6=0.12-0.3 =0.54-0.9=0.48-0.6=0.39+0.3 二0.21-0.7=3.
32、6-3 =1.8-3 =8.2-2 =0.18-3 =3.5-?-0.5 =3.507 =1.6-0.8=二4.6+2.3 二3.6E.4 二48.56-8=63.42-7=56.28-7=64.24-8=0.86-0.2 =0.364-0.9=0.16-0.4=0.12-0.6=0.010.1=0.064-0.3 =2.1-7 =2-0.4=1.4:7二0.24-3 =0.94-0.3 =27-0.3 =0.4:0.5 二8.2-4.1 =8.4-4.2 =9.3 : 3.1 二21.35:7 二12.12-4=18.18:3二27.18:9 二0.07-0.7=0.64-0.8=0.28-
33、0.2 =0.27-0.9=0.45:0.9 二0.08:0.8二6.4-8 =0.4-8 =3:0.6 二0.18-6=5.6-?-0.8 =1.8-0.2 =3.9-13 =9.9-1.1 =4.2-07=6.3:2.1 二32.24-4=36.36-9=18.24-6=10.16:2二0.21-0.3 =0.63-0.7=0.664-0.3 =0.15-0.5 =0.93-5-0.3 =0.28-0.7=4.5:9 二0.6-6=10.3:5 二18.1-2=8.4-2.1 =6.307=6.6-1.1=03-0.1=4.50.5 二18.36:9 二24.64-8=42.54-6=56.56-7=54.18:9 二0.064-0.6=0.18-0.6=0.62-0.2 =0.05+0.1 二0.02-0.2 =0.18-0.3 =