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1、4.1x3 =0.9x8 =0.8x3 =7.1x8 =9.3x2 =0.4x8 =0.1x4=0.6x2 =6.3x20=8.2x50 =0.09x5 =0.04x5 =0.3x70=0.42x3 =3.3x20=0.6x40 =0.72x5 =6.4x20=0.2x20 =0.22x30=0.4x9 =0.9x2 =6.1x4=0.6x8 =0.7x9 =8.4x2 =0.2x2 =0.02x5 =0.06x9 =8.4x20=0.31x3 =0.08x8=0.21x5 =0.54x2 =0.21x8=0.7x30=0.34x2 =0.9x40=0.51x2 =0.41x80=7.2x4
2、=5.4x2=0.7x2 =1.1x2 =2.1x4=0.8x4=7.1x2 =0.08x2 =0.41x6 =0.33x3 =0.9x20 =7.2x50=0.05x3 =0.52x5=0.06x3 =0.09x7=0.05x5 =8.1x30=0.51x6 =0.51x30=7.1x3 =0.2x3 =0.9x5 =0.2x7 =0.5x9 =0.6x3 =0.3x8 =0.5x70=0.04x4=0.63x2 =0.07x6=5.1x70 =0.82x2 =0.61x4=0.2x40 =0.12x3 =2.5x20=2.3x30=0.24x20=0.92x40=0.5x5 =0.7x5
3、=0.1x7 =7.1x7 =5.1x9 =2.3x3 =0.4x5 =0.1x40=0.35x2 =6.1x30=0.09x2 =0.95x2 =0.02x4=8.1x80 =9.1x60=9.1x20=0.11x2 =0.91x4=0.61x70=0.51x60=3.2-4=1.6x2 =6x40.5 =1.09x8=0.28-4二40.3-5 =69x9.5 =6.3-07=8.4x0.5 =0.2x903 =45.63-9=10x0.66=50x3.09=0.5x9.06=0.7x30.6=0.03x0.6=0.48-0.2 =0.36-r0.3 =40.1x0.7=0.1x0.54=
4、3.6-6 =6.4-8 =80x4.4=80x0.6=4x0.06=0.56+7=0.5x07=0.3x3.5 =3.2-0.4=16.12-2 =620x0.1=56.72-8=0.08x91=40.9x0.6=0.84-0.4=9.06x0.8=0.18-0.3 =0.09-0.1=0.14-0.2 =0.82-0.2 =3.5-5 =0.8x2 =80x7.7=0.32-4=2x20.7=1x50.4=0.4x9.6=0.4x0.8 =0.5x3.6=30.48-6=0.58x10=14x0.03 =35.355二0.54-0.6=0.5x0.09=0.05x6.6=2.07x0.2
5、=0.3x0.38 =0.02-0.2 =0.82x600=4.5-9 =1.2-3 =86x0.5 =0.14-2 =24.8-4二40.8x5 =3.5x0.6=0.1-0.5 =2.8:0.4 二0.9x901=0.04x43 =6.01x30=0.88:0.2二0.48:0.6二0.24-0.8=0.3x6.09=0.06x4.9=5.6x0.07=0.66-5-0.3 =0.02x209=9.3x9 =0.24-3 =3x0.12 =5.7x70=10.135二0.9x0.8 =1.4-0.2 =07x8.9 =0.3x0.3 =0.06x70=0.02x27=12.18-6=3.4
6、x0.03 =0.1x8.08=90.7x0.9=7.5x0.05 =0.3x10.4=0.01-0.1=0.15-0.5 =0.04x310=33x0.2 =13x0.2 =2.1x0.4=11x0.3 =11x0.8 =0.8x02 二0.6x0.9 =3.2x0.2 =11x0.6=0.71x0.7=0.24x0.2 =0.81x0.5 =0.72x0.2 =0.82x0.3 =0.51x0.2 =0.21x0.5 =0.21x0.8=0.51x0.4=0.43x0.3 =3.1x0.2 =4.1x0.2 二3.5x0.2 =2.5x0.2 =23x0.2 =0.5x0.6=11x0.2
7、 =0.6x0.4 =0.9x0.2 =0.13x0.2 =0.72x0.3 =0.42x0.2 =0.81x0.8=0.81x0.7=0.63x0.3 =0.74x0.2 =0.51x0.3 =0.52x0.3 =0.12x0.2 =0.5x0.4=1.5x0.2 =1.2x0.3 =4.5x0.2 =4.2x0.2 =0.6x0.6=0.4x0.3 =2.1x0.3 =2.2x0.4=0.92x0.5 =0.11x0.2 =0.62x0.3 =0.91x0.8=0.41x0.4=0.42x0.4=0.41x0.5 =0.71x0.9 =0.72x0.4=0.03x0.2 =1.1x07=2
8、.1x0.2 =0.9x0.6 =l.lx0.5 =2.3x03 =3.4x0.2 =2.4x0.2 =1.2x0.4=1.4x0.2 =0.11x0.6=0.91x0.4=0.61x0.9=0.32x0.3 =0.91x0.7 =0.71x0.3 =0.02x0.3 =0.92x0.3 =0.84x0.2 =0.91x0.5 =4.4x0.2 =4.3x0.2 =0.7x0.3 =1.3x0.3 二1.2x0.5 =11x0.4=2.2x0.2 =2.2x03 =1.2x0.2 =0.63x0.2 =0.85x0.2 =0.51x0.7=0.31x0.6=0.21x0.9=0.41x0.7=
9、0.31x0.3 =0.82x0.4=0.61x0.8=0.11x0.9=3.8x5x0.2 =7.1x0.25x4 =4.1x0.25x4 =2.4x25x0.4 =0.4x4.9x2.5 =0.4x6.7x0.5 =2.5x57x3.2 =2.5x7.8x0.4 =9.2x2.5x0.4 =0.6x1.1x0.5 =5x(59.38x2) 二5x(2x36.36) =9.4x0.125x8=6.8x0.125x8 =3.9x2 + 3.1x2 =2.5x(4x93.3) =1.25x4.6x5.6=5.7x1.25x0.8 =9x1.6 + 91x1.6 =3x0.6+97x0.6=1.9
10、 x0.25x4=8.8x1.25x8 =4x 7.9x1.25 =8.7x25x0.4=05x8.9x0.2 =0.5x5.1xl.8 =5.2x2.5x0.4 =2.5x3.5x2.4 =二二5x (57.84x2) =5x (2x52.08) =4.4x0.125x8 =7.2 x9 + 0.8x9 =19x5+7.1x5 =2.5x(4x573) =0.8 x4.6xl.25 =2x 6.8+98x6.8=5x 0.9+95x0.9 =9x 5.3+91x5.3=3.9x1.25x8 =2.1x0.25x4=4.6x25x0.4=0.8x7.8x2.5 =0.5x2.8x1.2 =0.
11、4x3.7x0.5 =2.4x6.3x2.5 =3.2x7.8x2.5 =2.5x2.2x2.4 =5x(2x86.35) =5x(11.55x2) =5x(73.73x2) =4.2x125x0.8 =0.8x4 + 6.2x4 =2x6.9 + 8x6.9 二2.1x12.5x0.8 =1.25x9.1x0.8=97x5.9 + 3x5.9 二3x7.7 + 97x7.7 =2x2.4 + 98x2.4=8x4.8 + 92x4.8 =2.5x(4x17.48) =2.5x(4x30.61) =7.7x12.5x0.08 =1.25x(14.99x8) =8.1x3.9-2.9x8.1 =
12、8.1x6.2-8.1x3.2 =9.2x8.2-9.2x2.2 =6.6xl.5-6.6xl.5 =9.9x53-2.3x9.9 =2.7x67-2.7x2.7 =6.9x3.4-2.4x6.9 =8x6.85+92x6.85=2.8x2.3+7.2x23 =2.5x(4x71.88) =2.5x(65.33x4) =2.5x(4x74.51) =1.25x(8x10.17) =1.25x(15.63x8)=6.2x4.1-4.1x2.2 =9.1x7.8-9.1x2.8 =2.6x7.2-2.6x2.2 =6.2x6.5-6.2x4.5 =3.8x1.3-13x2.8=5.2xl.5-1.
13、5x2.2 =7x9.79+93x9.79=6x5.88+94x5.88=2.5x(81.68x4) =2.5x(63.15x4) =6.3x12.5x0.08 =1.25x(8x51.23) =5.4x5.6-5.4x3.6 二9.6x5.9-9.6x1.9=4.2x73-3.3x4.2 =9.1x6.9-9.1x2.9 =8.4x5.1-8.4x3.1 =3.5x9.6-9.6xl.5 =8.7x4.5-3.5x87=94x6.62+6x6.62 =二4-5 =0.9:9 二6.6:3=1.8:3二4.8 : 8 二3.6-3 =3.69二8.8-2 =7.2-8 =4.2-2 =0.4:
14、4 =0.25-5 =0.24-6=0.16-2 =0.45:5 二0.04-2 =0.36:4二14.49-7=27.18-3 =24.36-6=1-2 =2.6:2 二1.2-4=0.8-4=2.1-7=2.8-2 =8.8-4=3.9-3 =2.4-3 =2.8-4=6.6:2 二0.18-9=0.06:3 二0.04-4=0.09:3 二0.18:3二0.16:4二14.16-2 =15.45:5 二35.14-7=3-6 =9.3:3 二7.2-9 =1.4-2 =6.8:2二0.6-2 =6.39 二3.6-4=3.2-4=8.4-2 =0.27-3 =16.8:2 二0.54-6
15、=0.637二0.35:5二0.48:6二12.16:2 二48.24-8=36.63:9 二81.81-9=3-5 =8.4-4=6.9 : 3 二6.2-2 =6.4-8 =4.6-2 =4.4+2 =6.4-2 =9.9 3二1.8-2 =0.12-4=16.6:2 二0.27-9 =0.03 + 3二0.63:9二0.09:9二63.72-9=72.45-9=12.16:4 二72.81-9=2-4=0.6:3 =3.6:6 =0.3-3 =0.8:2 =3.2-8 =8.624.8-6 =8. ”9二1.8-6=0.08:8 二0.49:7 二0.72-9 =036-9=0.05:5
16、二0.28:4二16.16+2=24.24-3 =36.12-6=48.12-6=4-0.8 =6.6-2.2 =2.4: 0.6二2.5: 0.5=5.5 : 1.1=7.2:0.8 二5.4:0.9 二1.6:0.8二6.3-07 =二1.407=0.64-0.2 =0.36:0.4二0.66-0.2 =0.99:0.3二0.054-0.5 =0.02-0.1=0.63-0.7=0.15-0.5 =0.28-0.4=1-0.5 =3.5+0.5=0.2-0.4=3.9-1.3 =4.8 : 0.8 =7.2-0.9=二2.2-1.1 =4.9-07=2.4+0.4 =6.2-3.1 =0.
17、42-0.2 =0.68:0.2 二0.32-0.8=0.27-0.3 =0.634-0.3 =0.364-0.3 =0.06-0.2 =0.16-0.4=0.12-0.2 =3-0.5 =1.6-0.4=8. ”0.9二6.8：3.4 二4.8E.6 二3.2-0.4=8.8:1.1 二6.3:2.1二2.8-1.4=0.1-0.2 =0.1-0.5 =0.62-0.2 =0.64-0.8=0.18-0.3 =0.86:0.2 二0.32-0.4=0.48-0.8=0.88-0.4=0.88-0.2 =0.54-0.9=0.69-0.3 =1.2-0.6=5.4+0.6=2.807 =5.6
18、07 =3.64-0.9 =0.80.1 =6.4-3.2 =二9.94-3.3 =12-0.4=0.04-0.4=0.21-0.7=0.48:0.4二0.46+0.2 =0.39:0.3二0.81-0.9=0.08-0.1=0.42-0.7=0.664-0.3 =8.4-2.1 二2.1-0.3 =1.5:0.5 二0.4-0.1 =0.6:0.1 二2.6:1.3 二8.8：4.4 二6.6-1.1 二4.4-2.2 =4.8:1.2 =0.28-0.2 =0.16:0.2 二0.72-0.9=0.09-0.1=0.84-0.2 =0.12-0.6=0.12-0.3 =0.44-0.2 =
19、0.14-0.2 =0.48:0.2 二4-0.8 =0.4-2 =0.42-7=25.4-5 =8.8:1.1二6.9-23 =3.6-?-0.6=0.8-0.2 =0.4-0.2 =2.4:1.2 二7.2:0.8 二49.35-7=48.24-6=63.56:7 二36.54-6=0.07-0.1=0.12-0.4=0.08-0.4=0.14-0.2 =0.16-0.2 =0.5:5 二4-0.5 =0.12-6=0.12-4=0.6:0.2 二1.8-0.9=1.5:0.3 二8.6-4.3 =0.4-0.8=2.807=1.5:0.5 二35.21-7=72.24-8=49.63:7
20、 二81.36-9=0.44-0.2 =0.934-0.3 =0.64-0.8=0.12-0.6=0.08-0.1=1.8-3 =32.4-8 =14.8:2 二0.21-3 =0.6-0.1 二2.4+0.8=9.3-3.1 =77-1.1 =3.20.8=0.1:0.5 二3.54-0.5 =28.32-4=12.14-2 =27.819 =12.24-3 =0.05-0.1=0.48-0.4=0.12-0.2 =0.16:0.8 二0.68-0.2 =0.15 =30.4-5 =0.02-2 =20.3-5 =4.907=4.50.5=2.8-1.4=0.4-0.5 =0.3+0.1=0
21、.8:0.4 二72.63-9=35.45:5 二45.45+5=40.64-8=24.18-6=0.28-0.2 =0.32-0.8=0.14-0.7=0.06-5-0.3 =0.08-0.2 =0.4-5 =0.24-8=0.24-3 =0.08-8=8.4:2.1二8.8-4.4=4.8-2.4=0.8-0.1 =0.9:0.3 二27-0.9 =30.42-6=42.21-7=24.48-8=16.72-8=24.32-4=0.09-0.1=0.64-0.2 =0.45+0.9=0.66+0.3=0.09-r0.3 =101x0.35=5.6x1.25x8 =3.9x0.25x4=5.
22、5+1.77+8.5=2.5x47x1.6 =1.8x1.1x0.5 =2.5x2.6x3.6=2.5x3.2x0.8 =2.3 x0.5 x0.2 =1.6x3.9x0.5 =3.6x125x0.8 =5.85+63+8.15=1.6x6.1x1.25 =1.25x2.9x6.4=1.25x7.5x5.6 =1.2x125x0.08=837+2.36+3.63=5.82+234+6.18=6.35+4.23+5.65=3.43+5.43+5.57=101x0.89=4.9x0.25x4 =5.1x0.25x4=7.3+9.77+3.7=3.6x9.4x2.5 =0.5x1.9x0.2 =2.
23、8x7.8x2.5 =2.8x3.3x2.5 =1.2x7.6x2.5 =1.2x9.2x0.5 =3.83+6.5+8.17=2.72+9.1+9.28=1.25x5.3x1.6=2.4x4.6x1.25 =1.25x1.6x6.4=1.9x125x0.08=9.52+6.43+5.48二432+8.26+4.68=3.45+9.83+3.55=6.66+9.47+534=8.7x5x0.2 =7.5x0.25x4 =5.8x12.5x8 =2.7+5.91+33=13x0.5x0.2 =1.3x2.5x0.4=33x2.5x0.4=0.4x5.4x0.5 =2.8x4.4x2.5 =6.7
24、x125x0.8 =5.85+9.1+7.15=0.1x7 + 0.9x7 =1.25x6.5x0.8=3.7x1.25x0.8 =1.2x12.5x0.8 =7.5x125x0.08 =7.87+8.31+3.13=8.41+9.88+6.59=1.78+1.39+2.22=6.71+1.86+4.29=9.79+6.54+5.21 二96x4.7+4x4.7=8.9x12.5x0.08 =6.8+74+6.2+5.6 二5.1+9.9+2.1+9.9=6.3+3.8+1.2+6.7=8.8+8.1+9.9+7.2 二5.1+4.9+8.9+2.1=3.4+6.6+2.4+16=19x4.2
25、-1.2x1.9=4.3x2.3-43x1.3 =6.6x5.7-6.6x2.7=5x1.95+95x1.95=6.8+4.63+9.2+6.37二9x0.5+91x0.5 =97x3.4+3x3.4=5.4+7.6+16+4.4=3.6+6.7+5.4+2.3=6.4+8.5+3.5+8.6=3.6+9.1+3.4+8.9 =3.9+9.4+1.6+2.1=53+4.6+6.7+7.4二3.5x9.4-9.4xl.5 =5.2x48-5.2x4.8 =8.4x5.4-3.4x8.4=5.7x4.8-57x2.8 =二94x23+6x23 =3.3x12.5x0.08 =4.2+1.5+9.8+3.5=2.1+51+9.9+2.9=73+7.5+1.5+1.7=7.6+9.9+2.4+8.1=5.8+13+3.7+5.2=93+4.7+2.7+4.3 二2.2x3.6-3.6x2.2 =6.4x6.1-6.1x2.4=1.4x77-2.7x1.4=6x3.49+94x3.49 二63+7.21+2.7+1.79=