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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 =0.4x7=
2、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 =0.8x4=0.7x6=4.3x2 =
3、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=4.2x5 =4.2-7 =9.1x80=0.12-6=0.02x2 =0.09+3二2.8E.4 二04x0.2二3.9：1.3 二63.45:9二0.85x0.2 =0.42x0.2=0.48-0.6=0.04x0.2=101x0.13=0.5x4.1x2 =2.5x9.6x4 =9.7x0.25x4=4.5x2.5x0.4=125x7.9x0.8 =0
4、.6x4=0.3x3 =0.72-9=16.1:2 二0.9x40=0.81x3 =0.64-0.3 =3.64-0.9 =12.36:6 二0.43x0.2 =0.91x0.4=0.96:0.3二0.43x0.3 =101x0.71=2.5x8.1x4 =2.5x5.2x4 =4.7x1.25x8 =7.6x0.5x0.2 =8x2.5x0.125 =125x7.7x0.8 =0.7x7 =2.4-4=0.06x7 =32.84 二0.09x7 =1.1x02 二27-0.3 =0.6x0.9 =20.32-4=0.21x0.8=0.36-0.4=0.08 -rO.8=0.88-0.4=10
5、1x0.99=9.8x5x0.2 =0.5x9.8x2 =6.3x8x1.25 =2.5x 5.1x0.4=6.7x0.125x8 =7.6x125x0.8 =125x4.1x0.8=8x3.8+2x3.8 =1.4x1.25x0.8 =6.4x1.25x0.8 =6.6x1.25x0.8 =2x6.4+98x6.4=9.5x12.5x0.08=7.2x8.4+2.8x8.4=97x0.91+3x0.91=8x7.27+92x7.27=5x6.9 + 5x6.9 二0.3x5 + 57x5 =8.7x0.8x1.25 =6.1x1.25x0.8 =5.8x0.8x12.5 =7x3.6+93x
6、3.6=2.6x12.5x0.08 =0.5x4.8+0.5x4.8 =98x431+2x4.31=0.2x4.1+0.8x4.1=4x5.3 + 6x5.3 =0.6x3+0.4x3 =5.1x12.5x0.8=6.9x12.5x0.8 =9.4x125x0.08=99x5.1 + 1x5.1 =5.4x12.5x0.08=1.6 x4.3+8.4x43 =7x3.26+93x3.26=8x2.37+92x2.37=3 5 二4.8 : 6 二0.3:6 二0.07x2 =0.72-8=12.8-2=0.9x96=二3.2-0.8 =2.5 x0.1 =0.04x43 =70.4x80=40
7、x10.3 =0.054-0.5 =0.49-0.7=40.3x0.8=0.034-0.3 =0.06x3.9=0.02-0.1 =0.25:0.5二0.8x6 =1.1x5 =2.6 -2 =16.1+2 =4x4.02 =0.3x50=0.63:7 二3.9:1.3 二0.6-0.2 =0.3x0.3 =49.56:7 二15.24-3 =0.4x308=0.4x0.07=0.03:0.1二0.9x0.09=0.3x0.06=0.81x0.8=4.7x0.08 =602x0.09=3.5x3 =”0.5 二0.7x6=16.8:2二30x0.2 =0.14-2 =0.4x90=0.5x0.
8、6=0.9x73 =2.2-1.1 =16.48:8二0.5x200=34x0.09=0.15x0.9=0.4x2.01=0.72-0.9=80.4x0.5 =0.56-0.7=0.68:0.2 二0.05x260=3.5 5二2.4:4二6x9.3 =40.1x9 =0.32-4=60x0.7=0.1x40=2.1-0.3 =1.8-0.2 =0.8x0.7 =30x7.02 =350x0.1=0.9x0.94=20.7x0.6=0.1x8.08=0.4x3.08=0.87x0.1=0.1x0.05 =10.2x0.8=0.07x600=3 0.5 二0.5x8 =10.1-5=0.16+8
9、二0.09-9 =80x4.4=0.4x9.6=1.6x0.8=1.2-0.4=0.9x901=48.24:6 二10x0.66=7.8x0.01=0.7x4.01=0.3x5.07=0.54-0.9=0.8x3.02 =0.3x0.08=0.71x0.1 =150x0.09=23x0.2 二41x0.2二0.5x0.5 =13x0.2 =3.5x0.2 =2.1x0.4=2.3x03 =1.1x03 =4.2x0.2 =4.5x0.2 =2.1x0.2 =0.22x0.3 =0.61x0.3 =0.91x0.8=0.24x0.2=0.11x0.6=0.64x0.2 =0.31x0.2 =0.
10、12x0.3 =0.4x0.6=0.6x0.9 =3.4x0.2 =0.6x07=0.7x0.8 =1.2x0.4=0.4x0.5 二1.2 x0.5 =1.3 x0.3 =4.3 x0.2 =0.61x0.8=0.44x0.2 =0.72x0.2 =0.42x0.4=0.43x0.2 =0.71x0.9=0.84x0.2 =0.11x0.7=0.61x0.4=1.1x07=l.lx0.5 =2.2x0.4=4.4 x 0.2 =1.5x0.2 =0.9x07=2.1x0.3 =3.3x0.2 =0.3x0.6=l.lx0.6=0.91x0.2 =0.93x0.3 =0.81x0.6=0.04
11、x0.2 =0.31x0.9=0.71x0.4=0.72x0.3 =0.82x0.4=0.85x0.2 =1.2x0.2 =2.2x0.3 =l.lx0.8=0.5x0.9 =0.8x0.2 =2.5x0.2 =l.lx0.2 =0.4x0.9 =l.lx0.4=2.4x0.2 =0.33x0.3 =0.83x0.2 =0.52x0.2 =0.61x0.2 =0.52x0.5 =0.72x0.5 =0.71x0.6=0.21x0.7=0.61x0.9=1.4x0.2 =0.2x0.3 =3.1 x0.2 =0.8x0.5 =07x0.4=1.2x03 =0.9x03 =3.2 x0.2 =0.
12、9x0.8 =2.2x0.2 =0.83x0.3 =0.11x0.8=0.51x0.8=0.91x0.4=0.73x0.3 =0.71x0.7=0.14x0.2 =0.63x0.3 =0.21x0.2=5x(2x54) =5x(48.3x2) =1.7x12.5x8 =1.1x25x0.4=5.2x2.5x0.4=0.5x2.8xl.4=2.5x3.5x2.4=1.2x6.2x0.5 =5x(30.44x2) =5x(2x96.93) =6.8x0.125x8=2.9x0.125x8=6x0.2+4x0.2 =7x7.5 + 3x7.5 =1.25x7.5x5.6=1.25x6.9x3.2 =
13、9.8x12.5x0.8 =1.25x8.1x1.6=94x7.1 + 6x7.1=9x9.6+91x9.6=l.lx5x0.2 =7.7x0.25x4=5.9x1.25x8 =2.5x7.9x2.8 =0.5x6.5x1.2 =0.5x4.8x0.2 =0.5x1.2x0.6 =1.2x3.2x2.5 =5x(52.76x2)二3.5x125x0.8=4.4x0.125x8 =8x2.4+2x2.4=4.8x9 + 3.2x9 =4xl.l + 6xl,l =1.25x6.2x6.4=1.25x9.1x0.8 =1.25x5.4x3.2 =5.7x1.25x0.8=4x3.5 + 96x3.
14、5 =96x9.5+4x9.5 =2x1.5x2.5 =4.1x0.25x4 =3.1x12.5x8 =8.5x0.5x0.2 =6.9x0.5x0.2 =0.5x9.6x 1.6 =3.6x4.4x2.5 =1.8x8.1x0.5 =5x(2x97.23) =7.9x0.125x8 =8.1x125x0.8=1x3.6+9x3.6=4x0.8 + 6x0.8 =2.5x(40.4x4) =1.25x4.6x5.6=5.6x1.25x0.8=1.25x2.9x0.8=8.3x125x0.08=99x8.1 + 1x8.1=1x4.5+99x4.5=1.25x(8x90.3) =2.5x(4x3
15、9.85) =2.5x(4x65.64) =1.25x(33.95x8) =1.25x(75.27x8) =5.6x1.8- 1.8x1.6=5.6x7.8-2.8x5.6=5.1x43-5.1x1.3 =6.5x 5.5 - 3.5x6.5 二3.2x6.3-3.2x43 =8.2x7.4-8.2x2.4=0.9x97+9.1x9.7=91x1.84+9x1.84=0.2x2.4+0.8x24=2.5x(4x50.73) =2.5x(65.93x4)二1.25x(15.63x8) =1.25x(72.66x8) =6.3x67-6.7x1.3 =二52x7.5-7.5x22 二1.9x43-
16、1.9x4.3 =27x7.4-3.4x2.7 =9.8x4.3 - 9.8x3.3二3.2x6.4-3.2x4.4=9x6.54+91x6.54=0.3x4.9+0.7x4.9=2.5x(4x45.61) =2.5x(81.68x4) =1.25x(8x57.35) =1.25x(67.07x8) =5.2x15-1.5x2.2 = 27x2.4-1.4x2,7=5.7x57-5.7x2.7 =9.2x5.2-3.2x9.2 =8.4x3.1-3.1x8.4=4.7x4.3-4.3x37=7.8x3.8-7.8x2.8 =4x3.15+96x3.15=0.3x8.3+0.7x8.3 =4-5
17、 =2-5 =2-4 =”5二48 =2.4:6二6.9:3 二4.4-2 =0.4-2 =6.3:9 二6.3 3 二1.8-9=4.6-2 =0.9-9 =8.6-2 =8.8:4 二9.6:3 二0.2-5 =3.6:3 二6.8:2 二5.49二8.4-2 =9.9-3 =1.428.1-9=2.1-7 =4.8-6 =8.8-2 =1.6-8=8.2-2 =7.2-8 =0.12 =1.6:2 二8.4-4=2.44二4.8:4二1.5:5 二4.2-2 =1.2-4=2.7-9 =0.3:5二2.4:2二0.6:3二0.6:6 二2.8:7二0.4-5 =6.4-2 =2.8-2
18、=3.64二1.2-3 =3.6:9二3.9:3 二0.15:5二0.18-9二0.54-9 =0.05-5 =0.21-3 =0.27-9 =0.18-6=0.63:7 二0.16-2 =0.14-2 =0.64-8 =0.24-6 =0.72-9 =0.27-3 =0.35:7二0.49-7=0.48-6 =45.4-5 =0.08-2 =0.42-7=25.15 =0.81-9 =15.6-3 =0.45:5二0.12-4=0.36+9二0.24-4=0.18:3 二0.09-3 =12.4-2 =0.08-8 =0.12-2 =63.35-7=42.48:6二56.24-8=48.16
19、8二12.27-3 =12.15:3二63.54-9=42.42-6=63.42-7=45.15-5 =48.56-8=32.32-8=48.54-6=28.28-7=28.32-4=24.21-3 =4-0.5=4.9-07 =30.5二7.2-0.8=0.9-0.1 =0.1:0.5 二3.64-0.6=3.61.2=0.6E.2 二4.8；1.2 二0.5-0.1 =9.9 : 1.1=1.2-0.3 =0.08-0.2=0.034-0.3 =0.46-0.2=0.63-0.7=0.24-0.2=0.66:0.2 二0.04-0.4=0.450.5 =0.42-0.2 =4-0.8 =1
20、.8:0.2=2.8:0.4 二3.2+0.4=4.525 二3.507 =6.6;L1 =1.2-0.4=0.4-0.1 =0.8:0.4=0.07-0.7=0.18-0.2 =0.44-0.2 =0.964-0.3 =0.12-0.3 =0.694-0.3 =0.01:0.1 二0.82-0.2 =0.72-0.9=0.36:0.4 二”0.5 二1.80.9=3.2:0.8 二632.1 =2.5+0.5=3.64-0.9 =6.4E.8 二2.8:1.4 二4.8-2.4=3.3 : 1.1=0.14-0.2 =0.09-0.3 =0.934-0.3 =0.88-0.4=0.49:0.
21、7二0.450.9=0.364-0.3 =0.08:0.8二0.32-0.4=0.26:0.2 二3.9:1.3二6.9-2.3 =6.8：3.4二8.8-4.4=4.5 :0.9 二4.6 ：2.3 二8.8-2.2 =2.4:0.6=0.664-0.3 =0.54-0.6=0.68-0.2 =0.14-0.7=0.86:0.2 二0.99+0.3=0.16:0.8 二0.364-0.6=0.42-0.7=0.06:0.2二3.54-0.5 =2.4-03 =2.7-03 =8.643 =6.64-3.3 =8.2-4.1 =77-1.1 =1.6-0.2 =2.2-1.1 =0.634-0
22、.3 =0.08-0.4=0.03-0.1=0.18-0.3 =0.48:0.2 二0.64-0.8=0.564-0.8=0.32-0.8=0.394-0.3 =0.28:0.2二3-5 =2.1-3 =0.8:2 二0.05-5 =0.04-2 =2.4:1.2 二6.4：3.2 二二6.2-3.1=2.80.4二4.5E.5 二0.8-0.1 =15.24-3 =42.21-7=27.18:9二24.64-8=0.88:0.4 二0.12-0.2=0.634-0.9=0.54-0.6=8.4-4=4.2-6 =0.3-5 =16.4-8=1.8:0.9 二8.4-4.2 =8.4:2.1
23、二4.6：2.3二27-0.9 =6.40.8二6.34-0.9 =9.6-3.2 =56.72:8 二14.21-7=45.455 二18.36-9=0.02-0.1=0.18:0.6 二0.42-0.6=0.81:0.9 二1.8-9=3:0.5 二2-0.4=0.25-5 =2.4-0.8 =0.8-0.2 =0.”0.5二0.34-0.6=8.643 =0.94-0.3 =1.8E.2 二12.12-4=32.24:4 二56.56-7=18.48:6 二14.63-7=0.16:0.4 二0.24-0.6=0.694-0.3 =0.04-0.2 =5.4-6=1.8:6 二2.7-9
24、=21.6-3 =2.6:1.3 二0.30.1二0.4:0.1 二5.64-0.8 =6.61.1 =4.4-2.2 =3.2:0.4 二18.16-2=18.81-9=21.35-7=45.35 : 5 二0.48+0.6=0.48:0.2 二0.07-0.1 =0.27-0.9=0.46:0.2二6.4-8=0.9:9二0.24-8=0.36:4 二27-0.3 =6.9+2.3 二0.2-0.5 =3.2-0.8 =0.4-0.5 =2.8-07 =0.2-0.1 =18.54-9=16.64-8=12.36-6=54.24-6=0.42-0.7=0.064-0.3 =0.27-0.3
25、 =0.394-0.3=0.07-0.7=101x0.41=7.4x5x0.2 =1.7x0.25x4=5.9x0.25x4=9.8x12.5x8 =2.8x9.3x2.5 =0.8x8.6x0.5 =2.5x5.1x2.4=0.5x8.5x1.4=0.5x7.8x1.2 =2.7x0.125x8 =2.72+9.1+9.28=2.4x3.6x1.25 =2.4x8.9x1.25 =4.8x9.5x1.25 =8.16+6.82+3.84=1.84+9.61+1.16=1.32+3.43+6.68=9.61+6.75+939=4.32+8.26+4.68=6.5x5x0.2 =2.4x5x0.
26、2 =2.2x0.25x4=3.2x12.5x8 =7.4+2.67+6.6 二9.1x2.5x0.4=2.5x6.6xl.2 =1.3xO.5xO.2 =12x9.5x2.5 =1.4x9.5x0.5 =9.4x0.125x8 =9.28+8.9+2.72=4.8x7.1x1.25 =1.25x4.2x6.4 =3.5x125x0.08=2.55+4.27+8.45二7.18+6.36+4.82=7.62+5.99+9.38二8.89+1.17+7.11=7.41+6.69+9.59=2x8,1x2.5 =7.6x12.5x8 =1.4x1.25x8 =8.6x1.25x8 =0.5x2.2
27、x0.8 =2.3x0.5x0.2 =67x2.5x0.4=2.8x3.6x2.5 =0.5x8.2x0.6 =2.5x97x2.8 =2.8x125x0.8 =1.6x9.8x1.25 =6.8x12.5x0.8=1.25x7.1x0.8=9.86+3.25+4.14=5.23+2.74+4.77=7.15+4.87+8.85 二4.42+9.81+5.58二3.48+2.26+4.52二7.89+6.93+7.11=7.87+8.74+1.13=93x8.5+7x8.5 =7.5+8.7+93+3.5 =9.3+47+2.7+4.3=9.5+2.4+0.6+3.5 二6.2+4.8+3.8
28、+9.2=42+3.7+6.8+4.3 二47+1.3+5.7+4.3=4.4xl.4-1.4x4.4 =7.3x8.3-8.3x2.3 =1.6x6.2-16x4.2 =6x2.62+94x2.62 =6x0.37+94x0.37=6.3+7.21+2.7+1.79=91x9.1+9x9.1=95x2.1 + 5x2.1=6.1+8.1+6.9+8.9=5.3+9.4+8.6+5.7=44+2.8+4.2+9.6 二3.6+2.8+2.4+42=9.54-3.8+3.54-2.2=6.9xl.8-1.8x4.9=93x2.4-2.4x9.3 =1.4x77-2.7x1.4=6.9x5.5-5.5x6.9 =0.5x8.1+0.5x8.1=5.9+4.09+3.1+1.91=98x8.8 + 2x8.8 =8.9+87+7.3+2.1=1.6+7.9+41+2.4=2.3+1.1+3.9+77=6.3+3.8+1.2+6.7=2.7+2.6+83+3.4=91+1.9+4.9+7.1=27x1.1-2.7x1.1=7.2x6.1-2.1x7.2 =4.2x3.1-3.1x4.2 =4.7x2.1 + 53x2.1 =0.7x3.8+03x3.8=1.6+5.06+2.94+8.4=