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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 =7.4x2 =0.2x
2、2 =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 =9.3x3 =9.1x2 =
3、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 二80x0.6=56.4-8 =6.8x0.6=3.2x0.5 =07x9.3 =83x0.2 二32.32-8=35.49-7=90.1x0.5 =0.18-0.6=0.1x0.54=0.16-0.2=0.46x0.7=0.15x0.3 =440x0.09=6x9.3 =9.9:3
4、二”0.5 二0.01x9 =0.04-2 =0.6x40=0.06x7=2.807=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 =0.639 =6x10.6=0.09x9 =1.8:0.2二8.8-4.4=0.9x73 =32.16:8 二0.6x705 =28x0.06=0.45-0.5 =0.72-0.9=0.2x9.02 =0.9x0.94=0.01x9.2
5、=0.7x20.3 =701x0.05 =0.45二4.5:9 二2x0.39=0.45:9二0.36-6 =15.3 B 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 =0.4:8二60x0.8=8x2.03 =5.7x70=0.8x40=7.2:0.8 二3.64-0.6=8.4-2.1 =1.5x0.8 =30.48:6 二83x0.02 =0.4x1.06=0.9x
6、3.08=9.3x0.07=0.4x5.04=0.81-0.9=50.9x0.5=0.01x1.3 =800x0.09=12x0.5 =2.2x0.2 =3.3x0.2 =3.2x02 二1.1x03 =0.9x07=13x0.2 =0.8x0.7=1.1x04 二1.5x02 二2.4x02 二0.21x0.5 =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 =11x0.2 =l.lx0.5 =3.1x0.2 =0.4x03 =2.5x0.2 =1.2x
7、0.2 =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 =二1.2x03 =l.lx0.6=0.2x0.4=0.4x0.9 =0.2x0.3 =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 =0.22x0.4=0.3x0.6=1.3x0.3 =1.1x07=43x0.2
8、=2.1x0.4=2.1x0.2 =1.4x0.2 =0.9x0.6=0.6x0.3 =2.1x0.3 =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=二0.4x0.4 =4.2x0.2 =4.1x0.2 =l.lx0.8=2.3x0.3 =2.2x0.4=0.8x0.8 =2.2x03 =1.2x0.4=0.91x0.7=0.92x0.5 =0.73x0.2 =0.81x0.6=0.82x0.5 =0.02x0.2 =0.41x0.8=0.72x0.4=0.71x
9、0.7=2.5x2.8x2 =5x(55.8x2) 二8.8x1.25x8 =1.7x12.5x8 =2.5x3.4xl.6 =二2.5x4.6x0.8 =0.6x9.9x0.5 =2.4x7.1x2.5 =5x(57.84x2) =5x(92.98x2)二3x9.5+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+3x8.5 =1.9x5x0.2 =3.6x0.25x4=2.9x25x0.4=1.9x0.25x4=0.
10、8x4.8x0.5 =2.8x2.6x2.5 =9.1x2.5x0.4=0.5x2.6xl.8 =2.4x2.5x0.4=5x(2x52.08) =2.1x125x0.8 =8.7x4+1,3x4=2.5x(98.4x4) =1.25x6.7x0.8=1.25x8.5x4.8=1.25x6.1x7.2 =3.5x125x0.08=93x6.3+7x6.3 =9x9.3 + 91x9.3 =3x5.6+97x5.6=2xl.5x2.5 =8.9x1.25x8 =4.6x25x0.4 =8.6x12.5x8 =2.5x2.9x3.6 =6.6x2.5x0.4=2.5x2.9x0.8 =0.8x7.
11、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) =二4.2x4.2-4.2x3.2 =6.4x4.9-3.9x6.4=7.2x6.3-23x7.2 =3.9x6.7-3.9x27 =6.3x
12、3.7-3.7x23 =3.3x9.2-9.2x23 =97x9.85+3x9.85=6.3x4.4+3.7x4.4=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 - 二9.6x5.9-9.6xl.9=1.9x43-1.9x4.3 =1.2x57-1.2x3.7=91x7.89.1x2.8 二7.8x8.8 + 2.2x8.8 =8.5x7.2 + 1.5x7.2二1.25x(8x16.9) =8.5x12
13、.5x0.08 =1.25x(63.33x8) =1.25x(8x10.17) =5.1x6.4-6.4x4.1=7.7x4.3-2.3x77=5.5x3.2-5.5x2.2 =3.5x9.6-9.6xl.5 =3.7x53-5.3x2.7=7.8x8.3-8.3x2.8=96x3.47+4x3.47=3x6.11+97x6.11=6.8x6.9+3.2x6.9=3 6 二0.4:5二4.4-2 =4.8:8二0.2-4=6.6-3 =0.3 - 3二0.5:5二2.6:2 二5.4一6二0.18:9二0.56+7二0.32-4=0.54-9=0.48-8=0.08:8二0.32-8=64.3
14、2-8=42.54:6 二30.24-6=1-2 =6.2-2 =6.48二2.4-2 =8.8-2 =0.1-5 =1.8:6二8.4:2 二3.6:4二0.8-4=0.03 : 3 二0.24-6=0.27-9 =0.64-8 =30.3 : 6二0.36:9二64.56-8=63.81:9二24.48-8=12.16-2 =2-4 =0.3:5 =4.6-2 =6.82 二4.2-6 =4.8-4=4.8:2二0.8:2 二4.5:9 二3.2-4=0.04-4=0.08-4=0.45-5 =0.02-2 =0.637=0.48:6二12.54-6=64.16:8 二24.36-6=15
15、.21-3 =6.37二9.3:3二1.6-8=0.66=2.1-3 =8.4-4=3.5:7二6.9:3二3.9:3二0.63+9 =0.24:4二0.14-2 =0.15-5 =0.81-9 =0.45:9二0.28:7二35.56-7=36.284二72.56-8=81.63:9二2.82二6.3一3二3.63二2.1-7=8.62二6.6-2 =0.8:8 二1.8:9 二3.5:5 =0.357二0.16:2二0.42-6=0.72-9 =0.05 + 5二0.18-3 =0.06:6二36.36-4=12.24-6=42.42:6 二16.32-4=4-0.5 =4.623 =0.
16、1-0.5 =2.1-07=3.6:1.2=8.42.1=1.2-0.6=7.2-0.8=6.6-1.1 =1.5:0.5=3.2-0.8 =0.88-0.4=0.28-0.4=0.42-0.6=0.66-0.2=0.27-0.9=0.46-0.2=0.09:0.9二0.02-0.2 =0.394-0.3 =”0.2二0.80.1 =632.1 =4.8 + 1.2=1.8-0.2 =3.54-0.5 =1.2-0.2 =4.907=0.34-0.6=0.4:0.8=8.2:4.1 二0.24-0.2 =0.04-0.4=0.12-0.2 =0.08:0.2二0.27-0.3 =0.12-0.
17、6=0.48-0.2 =0.064-0.6=0.26:0.2 二”0.5 二1.60.4=5.6-07=2.4-0.3 =2.4-1.2 =4.2-0.6=2.4:0.4二二8.8-1.1 =6.2-3.1 =4.8：2.4 二0.364-0.3 =0.964-0.3 =0.04-0.1=0.634-0.9=0.18-0.3 =0.72-0.9=0.664-0.3 =0.18+0.2=0.064-0.3 =8.8-2.2 =9.3:3.1 二8.6-4.3 = 0.60.1=6.9-2.3 =1.8-0.9 =1.803 =2.8-0.4 二2.2-1.1 =7.2-0.9 =0.934-0.
18、3 =0.994-0.3=0.14-0.7=0.05-0.1=0.24-0.8=0.42-0.2=0.48-0.4=0.21-0.7=0.634-0.3 =0.84-0.2=3.507 =4.8-0.8 =4.4-2.2 = 1.6+0.2二3.6+0.4 二2.4-0.6=0.4:0.2 二9.94-3.3 =0.64-0.3 =2.613 =0.02-0.1=0.28-0.2=0.44-0.2=0.694-0.3 =0.14-0.2=0.88-0.2 =0.07-0.1=0.56-0.7=0.32-0.8=0.03:0.1二2-4=3:0.6 二4-0.5 =10.6:2二0.63:9 二
19、6.2-3.1 =0.34-0.6=3.2-0.8 =4.8:0.6 二4.8+0.8二0.8M.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 =0.03:0.1二4.5-9 =5.6:8 二1.6:8二0.25:5 二1.2-0.3 =7.2-0.8 =1.4:0.2 二0.2:0.4 二6.64-3.3 =1.2+0.4二二16.32-8=42.14-7=27.81-9=14.35-7=0.24-0.2 =0.08:0.2 二0.06-0.1=0.24-0.3 =0.564-0.8=0.
20、8-4=3.6:3 二0.07-7=32.4-8=9.33.1 =0.4-0.8 =4.2-07 =5.5:1.1 二27-0.3 =3.64-0.9 =54.36:9 二72.18-9=32.324二48.48-8=14.21-7=0.460.2 =0.24-0.6=0.04-0.1=0.18+0.3=0.14-0.7=4.8-2 =5.4:9 二12.6:2二0.72-9 =2.4:0.4 二1.5+0.5=1.8:0.9 二4.4-1.1 =1.8:0.2二2.1-07 =36.27-9=36.36-9=27.12-3 =18.27-9=0.064-0.6=0.07-0.1 =0.66:
21、0.2 二0.48-0.4=0.48+0.8 二0.99:0.3二0.3-5 =2.4-8 =0.06:3 二24.6-3 =070.1 =1.803 =4.623 =9.94-3.3 =0.3:0.1 二2.824二49.637二21.42-7=45.25:5 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+1.8+72=3.5 x25 x0.4=6.9x25x0.4=4.8+1.68+9.2=0.5x4.4x0.4=8.5x0.5x0.2 =0.5xl.4xl.6 =2.5x2.6x3.
22、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=8.4x5x0.2 =4.4x12.5x8 =9.1x1.25x8 =1.25x3.5x4=5.2+2.19+6.8=1.6x4.6x0.5 =3.6x5.1x2.5 =0.2x3.2x0.5 =2.4x6.9x2.5 =1.6x8.7x0.5 =8.2x0.125x8 =8.11+6.9
23、+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=3.9x 5 x0.2 =4x2.1x1.25 =8.6x1.25x8 =4x1.9x1.25 =2.5x4.6x3.2 =1.3x0.5x0.2 =1.4x87x0.5 =1.2x9.5x2.5 =2.5x77x2.4=5.3x0.125x8 =4.47+7.8+2.53 二0.1x7 + 0.9x7 =9.4x1.25x0.8 =1.7x1.25x0.8=
24、4.8x9.5x1.25 =4.32+8.26+4.68=4.69+3.64+3.31=6.27+5.95+1.73=9.23+9.67+9.77=2.73+8.39+6.27=8.37+236+3.63=3x6.9+97x6.9=5.2+6.7+7.3+6.8=12+1.2+5.8+4.8=9.4+1.5+4.6+7.5=8.8+8.1+9.9+7.2 =5.8+9.5+4.24-3.5=4.8+5.5+4.2+9.5 =9.8x6.1-9.8xl.l =3.6x7.6-7.6x2.6=8.8x5.5-8.8x5.5 =99x4.62 + 1x4.62=93x3.78+7x3.78=2.5+
25、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=4.5+5.2+9.5+1.8=8.4x7.2-2.2x8.4=4.7x3.3-4.7x13 =2.8x7.5-2.8xl.5 =3.6x4.5-3.6x3.5 =4.7 x 0.7 +5.3 x 0.7=9.6+7.71+7.4+7.29=98x3.2 + 2x3.2 =9.1+1.9+4.9+71=4.5+7.3+8.5+3.7=1.6+7.9+41+2.4=2.8+2.9+4.2+81=7.3+97+7.7+6.3=96+5.5+8.4+2.5二8.2x5.9-2.9x8.2 =7.8x3.1-l.lx7.8=7.1x5.3-23x7.1 =5x0.66+95x0.66=6x0.37+94x0.37=8.5+4.94+0.06+5.5=