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1、7.1x8 =6.1x7 =9.2x4=0.3x2 =0.2x6=9.1x6 =0.2x5 =2.2x4=5.2x40=0.51x9 =0.51x8 =0.44x2 =0.5x40=0.91x8 =0.4x20=0.7x90 =0.11x8 =3.1x50=0.83x30=0.63x20=2.2x3 =0.9x6 =0.7x8 =0.7x4=0.8x7 =0.6x7=2.4x2 =0.9x9 =0.21x2 =3.5x20=9.1x20=0.2x20=0.61x4=3.3x30=0.09x5 =6.2x40=0.45x2 =0.09x7 =0.02x20=0.31x40=0.5x6 =7.4x
2、2 =0.2x2 =8.4x2 =0.4x9 =0.7x3 =4.1x2 =6.1x9 =0.41x8 =0.3x40 =0.31x2 =0.09x8 =0.02x8 =0.08x3 =0.06x8 =0.05x7 =0.03x3 =0.11x6=0.72x20=0.62x40=0.4x2 =6.1x4 =0.2x9 =3.1x6=0.5x2 =1.3x3 =0.8x3 =0.4x4 =0.61x2 =0.31x4=0.04x5 =5.3x20 =1.2x40=0.41x5 =0.21x7 =0.4x80 =7.4x20=4.1x60=0.04x20=0.41x60=0.6x2 =0.4x5
3、=9.3x3 =9.1x2 =0.2x8 =0.8x5 =0.9x5 =0.32x2 =0.05x5 =0.6x70=0.12x2 =0.3x50=0.85x2 =0.74x2 =0.42x4=3.1x40=0.04x2 =0.81x50=0.75x20=0.43x20=0.1-2 =1.2-3 =3.6:4二2x0.51 =0.28-4=80x0.6=56.4-8 二6.8x0.6 =3.2x0.5 =07x9.3 =8.3x0.2 =32.32-8=35.49:7 二90.1x0.5 =0.18:0.6二0.1x0.54=0.16-0.2 =0.46x0.7=0.15x0.3 =440x0
4、.09=6x9.3 =9.9-3 =”0.5二0.01x9=0.04-2 =0.6x40=0.06x7=2.8-07 =6.4-3.2 =07-0.1 =0.8x0.9 =0.05x59=90x0.02 =0.04-0.2 =0.42-0.7=0.5x30.5 =0.13x0.6=0.18-0.3 =0.8x0.22 =0.02x900=2.7-3 =0.8x5 =53x0.6=40.1x9=0.63-9 =6x10.6=0.09x9 =1.8-0.2 =8.8-4.4=0.9x73 =32.16-8 =0.6x705 =28x0.06=0.45-0.5 =0.72-0.9=0.2x9.02
5、=0.9x0.94=0.01x9.2 =0.7x20.3 =701x0.05 =0.4-5 =4.5-9 =2x0.39=0.45-9 =0.36-6=15.3:5二4x4.09=27-0.3 =0.4x2.5 =07x8.9 =0.91x70=21.42-7 =0.9x901=0.14-0.2 =0.7x40.2 =0.064-0.3 =0.01x0.3 =0.3x3.06=0.07x0.6=740x0.05 =2x0.7 =0.4-8 =60x0.8=8x2.03 =5.7x70=0.8x40=7.2-0.8 二3.6-?-0.6=8.4-2.1 二1.5x0.8 =30.48-6 =83
6、x0.02 =0.4x1.06=0.9x3.08 =9.3x0.07=0.4x5.04=0.81:0.9二50.9x0.5 =0.01x1.3 =800x0.09=1.2x0.5 =2.2x0.2 =3.3xO.2 =32x0.2 二11x0.3 =0.9x07=1.3x0.2 =0.8x0.7 =l.lx0.4=15x0.2 =2.4x0.2 =0.21x0.5 =0.61x0.3 =0.51x0.4=0.51x0.7=0.12x0.2 =0.32x0.2 =0.33x0.3 =0.72x0.2 =0.9x0.8 =0.2x0.8 =0.4x0.5 =l.lx0.2 =l.lx0.5 =3.
7、1x0.2 二0.4x03 =2.5x0.2 =1.2x0.2 =3.4x0.2 =0.62x0.3 =0.02x0.5 =0.61x0.8=0.24x0.2 =0.91x0.3 =0.63x0.3 =0.22x0.2 =0.53x0.3 =0.61x0.5 =4.4 x0.2 =4.5 x0.2 =0.6x0.2 =2.3x0.2 =1.2x0.3 =11x0.6=0.2x0.4=0.4x0.9 =0.2x0.3 二0.3x0.2 =0.33x0.2 =0.61x0.7=0.72x0.3 =0.31x0.4=0.43x0.3 =0.31x0.6=0.51x0.6=0.74x0.2 =0.22
8、x0.4=0.3x0.6 =1.3x0.3 =1.1x07 =4.3x0.2 =2.1x0.4 =2.1x0.2 =1.4x0.2 =0.9x0.6 =0.6x0.3 二2.1x03 =0.21x0.6=0.71x0.5 =0.55x0.2 =0.42x0.2 =0.14x0.2 =0.65x0.2 =0.42x0.5 =0.12x0.5 =0.12x0.4=3.5x0.2 =0.4 x 0.4 =4.2x0.2 =二11x0.8=2.3x0.3 二2.2x0.4=0.8x0.8 =2.2x03 =1.2x0.4=0.91x0.7=0.92x0.5 =0.73x0.2 =0.81x0.6=0.
9、82x0.5 =0.02x0.2 =0.41x0.8=0.72x0.4=0.71x0.7=2.5x2.8x2 =5x(55.8x2) =8.8x1.25x8 =1.7x12.5x8 =2.5x3.4xl.6 =2.4x9.5x2.5 =2.5x4.6x0.8 =0.6x9.9x0.5 =2.4x7.1x2.5 =5x(57.84x2) =5x(92.98x2) =3x95+7x9.5 二7x1.6+3x1.6=2.4x3.1x1.25 =3.2x8.4x1.25 =1.25x7.5x5.6=1.25x1.6x3.2 =93x0.5+7x0.5 =94x7.1 + 6x7.1 =97x8.5 +
10、 3x8.5 =1.9x5x0.2 =3.6x0.25x4=2.9x25x0.4=1.9x0.25x4=0.8x4.8x0.5 =2.8x2.6x2.5 =9.1x2.5x0.4=0.5 x2.6x 1.8 =2.4x2.5x0.4 =5x(2x52.08) =2.1x125x0.8=8.7x4+13x4=2.5x(98.4x4) =1.25x6.7x0.8 =1.25x8.5x4.8 =1.25x6.1x7.2 =3.5x125x0.08 =93x6.3 + 7x6.3 二9x9.3 + 91x9.3 =3x5.6+97x5.6 二2xl.5x2.5 =8.9x1.25x8 =4.6x25x
11、0.4 =8.6x 12.5x8 =2.5x2.9x3.6 =6.6x2.5x0.4=2.5x2.9x0.8 =0.8x7.9x2.5 =5x(81.81x2) =5x(2x36.36) =4.4x0.125x8 =7.1x9+0.9x9=2.5x(4x283) =2.2x1.25x0.8 =1.4x1.25x0.8 =5.7x1.25x0.8 =4.9x125x0.08 =9x3.6 + 91x3.6 =94x7.9 + 6x7.9 =2.5x(65.33x4) =1.25x(8x35.4) =2.5x(39.51x4) =1.25x(8x21.04) =1.25x(8x65.59) =5.
12、2x4.2-52x2.2 二二6.4x4.9-3.9x6.4 =7.2x6.3-23x7.2 =3.9x67-3.9x2.7=6.3x37-3.7x2.3 =3.3x9.2-9.2x23 =97x9.85+3x9.85=6.3x4.4+37x4.4=1.3x1.6+87x1.6=2.5x(53.64x4) =2.5x(4x50.73) =1.25x(8x47.11) =1.25x(49.66x8) =7.8x3.8-7.8x2.8=9.1x6.6-2.6x9.1 =6.4x6.8 - 6.4x2.8 二9.6x5.9-9.6xl.9 =1.9x43-1.9x4.3 =1.2x57-1.2x3.
13、7=9.1x7.8-9.1x2.8 =7.8x8.8+2.2x8.8 =85x7.2 + 1.5x7.2 =1.25x(8x16.9) =8.5x12.5x0.08 =1.25x(63.33x8) =1.25x(8x10.17) =5.1x6.4-6.4x4.1 =7.7x4.3-23x7.7 =5.5x3.2-5.5x2.2 =3.5x9.6-9.6xl.5 =3.7x5.3-5.3x27 =7.8x8.3-83x2.8=96x3.47+4x3.47=3x6.11+97x6.11=6.8x6.9 + 3.2x6.9 =3-6 =0.4-5 =4.4:2 二4.8-8 =0.2-4=6.6:3
14、 二0.3:3 =0.5-5 =2.6-2 =5.46二0.18-9=0.56-7=0.32-4=0.54-9 =0.48:8 二0.08-8=0.32-8=64.32:8 二42.54+6=30.24-6=1-2 =6.2-2 =6.4:8 二2.4-2 =8.8:2二0.1:5 二1.8:6 二8.4-2 =3.6-4=0.8-4=0.03 + 3二0.24-6=0.27-9=0.64-8=30.3:6 二0.36-9=64.56-8=63.81-9=24.48-8=12.16:2 二2-4=0.3-5 =4.6:2 二6.8:2 二4.2-6=4.8:4 二4.8:2 二0.8-2 =4
15、.5-9 =3.2-4=0.04-4=0.08-4=0.45:5二0.02-2 =0.63:7二0.48-6=12.54-6=64.16-8=24.36:6二15.21-3 =6.3-7=9.3 3 二1.6:8 二0.6:6 =2.1-3 =8.4:4二3.5一7 二6.9-3 =3.9-3 =0.63-9 =0.24+4二0.14-2 =0.15:5二0.81-9 =0.45电0.28-7=35.56-7=36.28+4=72.56-8=81.63-9=2.8-2 =6.3-3 =3.6:3 =2.1-7 =8.6:2二6.6:2二0.8:8 二1.8-9 =3.5-5 =0.35+7二0
16、.16-2 =0.42-6=0.72-9 =0.05 5二0.18:3二0.06-6=36.36:4二12.24-6=42.42-6=16.32-4=4-0.5 =4.6-2.3 =0.10.5 =2.1-07 =3.6-1.2 =8.4-2.1 =1.2:0.6 二二6.6-1.1 =1.5+0.5=3.2-0.8 =0.88:0.4二0.28:0.4二0.42-0.6=0.66:0.2二0.27-0.9=0.46-0.2 =二0.02-0.2 =0.39-0.3 =1-0.2 =0.8-0.1=6.3:2.1 二4.8:1.2二1.8-0.2 =3.5-?0.5 =1.222 二4.9-0
17、7=0.34-0.6=0.4-0.8=8.2-4.1 =0.24-0.2 =0.04-0.4=0.12-0.2 =0.08:0.2 二0.27-0.3 =0.12-0.6=0.48-0.2 =0.06-5-0.6=0.26-0.2 =1-0.5 =1.6-0.4=5.607 =2.4:0.3 二2.4-1.2 =4.2:0.6 二2.4-0.4=6.6-2.2 =8.8-1.1 =6.2-3.1 =4.8-2.4=0.364-0.3 =0.964-0.3 =0.04-0.1=0.634-0.9=0.18:0.3二0.72-0.9=0.664-0.3 =0.18-0.2 =0.064-0.3 =
18、8.8-2.2 =93-3.1 =8.6M.3 二0.6-0.1 =6.9-2.3 =1.8:0.9 二1.803 =二2.2-1.1 =7.2+0.9二0.934-0.3 =0.99:0.3 二0.14-0.7=0.05-0.1=0.24-0.8=0.42-0.2 =0.48-0.4=0.21-0.7=0.63-5-0.3 =0.84-0.2 =3.5-07=4.8:0.8 二4.4:2.2 二1.6-0.2 =3.6-0.4=2.4E.6 二0.4E.2 二9.9-3.3 =0.64-0.3 =2.6-13 =0.02-0.1=0.28:0.2 二0.44-0.2 =0.694-0.3 =
19、0.14-0.2 =0.88:0.2 二0.07-0.1=0.56-0.7=0.32-0.8=0.03:0.1 二2-4=3-0.6 =4-0.5 =10.6-2 =0.63:9 二6.2-3.1 =0.3-?-0.6=二4.8+0.6二二0.8:0.4 二30.45-5 =12.14-2=30.35-5 =63.21-7=0.24-0.8=0.064-0.3 =0.35-0.7=0.21-0.3 =0.03-0.1=4.5:9 二5.6-8 =1.6:8 二0.25-5 =1.203 =7.2-0.8=1.40.2 =0.2-0.4=6.64-3.3 =1.2-0.4=0.4:0.5 二16
20、.32-8=42.14-7=27.81-9=14.35-7=0.24-0.2 =0.08-0.2 =0.06-0.1=0.24-0.3 =0.564-0.8=0.8-4=3.6-3 =0.07-7 =32.4-8=933.1=0.4-0.8 =4.2-07=5.5-1.1 =27-0.3 =3.64-0.9 =54.36-9=72.18:9 二32.32-4=48.48-8=14.21-7=0.46-0.2 =0.24-0.6=0.04-0.1=0.18-0.3 =0.14-0.7=4.8-2 =5.4-9 =12.630.72-9 =2.4-0.4=1.50.5=1.8-0.9=4.4-1.
21、1 =1.8+0.2 二2.1-07 =36.27:9 二36.36:9 二27.12-3 =18.27-9=0.064-0.6=0.07-0.1=0.66-0.2 =0.48-0.4=0.48-0.8=0.994-0.3 =0.3:5 =2.4-8 =0.06+3二24.6:3二070.1 =18-0.3 =4.6-23 =9.9-3.3 =0.30.1 二2.8:0.4二49.63:7 二21.42-7=45.255二54.12-6=0.54-0.6=0.72-0.8=0.810.9=0.04-0.4=0.12-0.3 =0.64-0.8=101x0.51=5.8+18+7.2=3.5x2
22、5x0.4=6.9x25x0.4=4.8+1.68+9.2=0.5x4.4x0.4=8.5x0.5x0.2 =0.5xl.4xl.6 =2.5x2.6x3.6 =1.4x2.5x0.4 =9.4x0.125x8 =2.46+4.6+1.54二3.8x12.5x0.8 =1.6x2.6x1.25 =4.2x12.5x0.8 =1.1x125x0.08=6.29+9.65+8.71=3.56+6.99+3.44=5.77+9.49+9.23=8.68+4.44+7.32二8.4x5x0.2 =4.4x12.5x8 =9.1x1.25x8 =1.25x3.5x4=5.2+2.19+6.8=1.6x4
23、.6x0.5 =3.6x5.1x2.5 =0.2x3.2x0.5 =2.4x6.9x2.5 =1.6x8.7x0.5 =8.2x0.125x8 =8.11+6.9+8.89=0.8x8.6x1.25 =1.25x5.3x1.6 =1.25x4.7x7.2 =1.9x125x0.08=7.43+3.67+8.57=6.61+9.72+939=6.43+7.99+7.57=7.87+8.74+1.13=3.9x5x0.2 =4x2.1x1.25 =8.6x1.25x8 =4x1.9x1.25 =2.5x4.6x3.2 =13x0.5x0.2 =1.4x87x0.5 =1.2x9.5x2.5 =2.
24、5x77x2.4 =53x0.125x8=4.47+7.8+2.53二0.1x7 + 0.9x7 =9.4x1.25x0.8 =1.7x1.25x0.8 =4.8x9.5x1.25 =4.32+8.26+4.68二4.69+3.64+3.31=6.27+5.95+1.73=9.23+9.67+9.77=2.73+8.39+6.27=837+2.36+3.63=3x6.9+97x6.9 =5.2+6.7+7.3+6.8 二12+1.2+5.8+4.8=94+1.5+4.6+7.5=8.8+8.1+9.9+7.2 二5.8+9.5+4.2+3.5=4.8+5.5+4.2+9.5=9.8x6.1-9
25、.8xl.l =3.6x7.6-7.6x2.6=8.8x5.5-8.8x5.5 =99x4.62+1x4.62=93x3.78+7x3.78=2.5+6.36+8.64+2.5 二93x2.1+7x2.1 =9.9x12.5x0.08 =6.7+8.5+5.3+4.5=6.9+9.6+5.1+3.4=4.5+8.6+6.5+6.4=2.8+6.4+7.6+82=45+5.2+9.5+1.8=8.4x7.2-2.2x8.4=4.7x3.3-47x1.3 =2.8x7.5-2.8xl.5 =3.6x4.5-3.6x3.5 =4.7x0.7 + 53x0.7=9.6+7.71+7.4+7.29=98x3.2 + 2x3.2 =9.1+1.9+4.9+71=4.5+73+8.5+3.7二1.6+7.9+41+2.4=2.8+2.9+4.2+81=73+9.7+7.7+6.3=96+5.5+8.4+2.5=8.2x5.9-2.9x8.2 =7.8x3.1-l.lx7.8=7.1x53-2.3x7.1 =5x0.66+95x0.66=6x0.37+94x0.37=8.5+4.94+0.06+5.5 =