口算小数乘法

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1、5.6x0.1=3.5x3=51x0.2=1.2x3=8x0.03=0.01x100=30x0.01=0x1.22=0.6x5=0.26x0.3=20x0.4=0.14x5=2.5x4=0.081x10=0.8X7=1.5X7=1.32X8=0.7X8=10.3X2=5X0.6=3.5x60=7.4X1000=3X0.5 =0.7X4 =2.1X3 =5.2X4 =1.1X8 =9X0.8 =1.5X2 =0.2X5=0.7X0.8=2.5X0.4=2.3X0.3=0.05X2=1.7X0.5=1.25X0.8=0.12X3=0.35X2=0.4X0.7=0.23X3=0.5X4=1.1X5=

2、3.5X2=0.4X8=0.5X0.2=2.8X0.4=0.32X500=3.5X200=0.4X0.8=4X0.25=1.01X99=1.6X0.4=4.9X0.7=0.02x0.1=1.5x0.4=1.25x0.2=2.3X4=100x0.01=3.4x0.07=0.3x0.4=0.22x4=1.6x7=8.1x3=0.05x2=1.4x6=7x2.3=60x0.03=0.12x80=9.9x0.9=1.8x3=4x0.08=8.3x0=6.3x3=0.95x10=0.19x3=2.5x5=0.04x0.5=0.019x2=0.24x5=1.25x8=3.5X0.2=10X0.05 =0.

3、13X7 =0.21X100=0.7X4 =0.05X4=4X0.3 =12.5X8 =0.4X50=30X0.55 =2.6X3 =4.1X2 =7.5X0.1 =3.5x0.01=0.5x0.4=2.5X4 =0.05x4=04-3.5=3.99X1 =1.2X6 =0.6X0.3 =4.2X3 =3.2X0.4= 1.8X5 = 2.2X6 = 2.5X4 = 4.5x2= 3.4x0.4= 0. 65x0.2= 1.2x0.8= 5x0.7= 0.43x5= 9.4x0.2= 43x0.01= 3.72x0.2= 1.9X4 = 4x1.2x0.25=0.125x8 1.8x40= 8

4、x5.1= 4.2X3 = 1.1x0.7= 3.2x50= 3.2x0.5=3x0.7=9x0.04=18x0.5=60x0.5=0.5x20=0.25x40=5.4x0.01=12x1.1=7.2x0.2=1.5x60=5x0.07=5x0.9=0.3x0.5=6.5X2 =0.125X100=4X0.25 =0.8X125 =1.5X0.04=0.4X0.8 =0.08X1.2=3.5x200=48X0.02 =0.8X0.5 =2.8 X 0.4=4.5x2=7.2x0.8=6x3.4=1.4x0.5=0.75x100=0.02x0.5=0.125x8=0.8x1.1=8.65x10=

5、0.35x0.6=3.08x0.01=4.95x1000=6.9x0.1=0.4x0.5=0.325x100=2.5x8=0.125x4=0.01x0.1=0.25x0.4=1.25x0.8=0.22x102=0.081x10=0.8x7=1.5x7=3.99X1 =1.2X6 =0.6 X 0.3 =4.2X3 =3.2X0.4=1.8X5 =2.2X6 =2.5X4 =4.5x2=3.4x0.4=0. 65x0.2=1.2x0.8=5x0.7=3.28x0.1=0.43x5=9.9x0.9=7.2x0.2=9.4x0.2=1.8x3=1.5x60=43x0.01=4x0.08=5x0.07

6、=3.72x0.2=8.3x0=5x0.9=1.9X4 =6.3x3=0.3x0.5=4x1.2x0.25=0.95x10=6.5X2 =0.125x80.19x3=0.125X100=1.8x40=2.5x5=4X0.25 =8x5.1=0.04x0.5=0.8X125 =4.2X3 =0.019x2=1.5X0.04=1.1x0.7=0.24x5=0.4X0.8 =3.2x50=1.25x8=0.08X1.2=3.2x0.5=5x0.69=3.5x200=1.7x0.03=2x0.48=0.32X500=0.22x4=3x0.7=48X0.02 =1.6x7=9x0.04=0.8X0.5

7、=8.1x3=18x0.5=2.8 X 0.4=0.05x2=60x0.5=4.5x2=1.4x6=0.5x20=7.2x0.8=7x2.3=0.25x40=6x3.4=60x0.03=5.4x0.01=1.4x0.5=0.12x80=12x1.1=0.75x100=0.125x8=0.8x1.1=8.65x10=0.35x0.6=3.08x0.01=4.95x1000=6.9x0.1=0.4x0.5=0.325x100=2.5x8=0.125x4=3.28x0.1=7.2x0.1=0.01x0.1=0.25x0.4=1.25x0.8=0.22x102=0.081x10=0.8x7=1.5x7

8、=1.32x8=0.7x8= 10.3x2= 5x0.6= 0.9x0.3= 3.5x0.2= 2.01x0=10x0.05= 0.13x7= 0.21x100= 0.7x4= 0.05x4=4x0.3= 0.25x100= 0.052x10= 0.5x1000= 3.05x100= 12.5x8=2.3x4= 3.25X0= 0.4x50= 30x0.1= 2.6X3=4.1x2= 0.35x0.2= 7.5x0.1=2.5x2=0.5x10=0.6X8=2.8x10= 0.7x0.8= 4.5x2=7.2X0.8=6x3.4=0.75X100=0.02x0.5= 3.6x0.3= 5.6x

9、100=0.125x8=0.7X9= 0.8x1.1= 0.35x0.6=4.5x2=7.2x0.8=6x3.4=16X0.25=0.008X1000=0.125X8 =0.18X10 =0.26x0.6=4x0.25=1.25x8 =6x8.8=72x0.4=0.8x12.5=1.5 X 0.5=10.1X30=0.1X0.02=61X0.03 =2.5 X 0.4=0.5x400=0.081x10=0.8X7 =1.5X7 =1.32X8 =0.7X8 =0.75x100=0.02x0.5=0.125x8=0.8x1.1=8.65x10=0.35x0.6=3.08x0.01=4.95x10

10、00=6.9x0.1=0.4x0.5=0.325x100=2.5x8=0.125x4=3.28x0.1=7.2x0.1=0.01x0.1=0.25x0.4=1.25x0.8=0.22x102=2.6X100 =32X0.4=750X0.5= 60X0.02 = 480X0.8 = 0.05X20 =2.7 X 0.3 = 1.5X0.4= 28X0.03 = 720X0.5 = 600X0.03 = 0.23X30 = 50X1.2= 1.4X300= 0.26 X 200= 0.50X90= 0.05 X 200= 0.18X20= 10.4x20= 13.90x2= 15.3x6= 17.

11、3x20= 0.45x101= 0x0.54=5X0.6 =0.9X0.3 =3.5X0.2=10X0.05 =0.13X7 = 0.21X100= 0.7X4 =0.05X4=4X0.3 =12.5X8 =2.3X4 =3.25X0=0.4X50=30X0.1=2.6X3=4.1X2=0.35X0.2=7.5X0.1=3.5X0.01=0X9.8=0.5X0.4 =0.9X0.3=9X0.5=1.25X8=2.6X3=4.1X2=0.35X0.2=7.5X0.1=0.9X0.3=1X0.06=9X0.5=1.25X8=0.2X0.4=2.5X0.4=2.4X5=0.22X4=3.99X2=3

12、.52X20=1.2X6=0.6X0.3=4.2X3 =3.2X0.4=2.2X6 =2.5X4 =4.5 X 2=3.4 X 0.4=0.65X0.2=1.2x0.8=0.43x5=20 X 0. 8 =5.7 X 3=4 X 2.5 =2 X 0.75=2 X 9.1=0.48+0.52=10 X 0.98=0.9 X 0.1=1 X 0.8=4.5 X 4=1.2x3=8x0.030.01x100=30x0.01=0x1.22=0.4x2.5=9.8x10=0.6x5=3.18x100=12x0.5=0.26x0.3=41x0.4=4.5x3=20x0.4=1.8x30=3.1x0.5=

13、0.14x5=800x0.4=2.02x9=2.5x4=1.2x0.4=0.06x0.9=0.1x9.02=0.8x0.4=25x0.01=1.01x9=2.5x40=4.1x0.5=3.1x10=1.35x20=3.46x11=0.65x5=5.2x8=0.9x0.6=0.1x7=0.06x0.8=0.364x100=8x1.8=0.54x4=0.125x8=2.08x7=50x0.3=8x0.25=0.12x8=0.12x100=9x0.36=1.6x3=1.8x4=0.37x10=1.2x0.6=24x5=2.9x0.6=6.2x0.3=7x0.8=0.8x0.7=0.6x0.7=10.1x6=1.7x3=0.9x0.4=1.05x0.7=0.7x5=0.6x9=0.75x0.2=300x1.2=1.01x5=7x0.6=12x0.5=2.4x8=4.02x300=25x0.04=1.25x80= 0.44x2= 0.25x40= 0.2x0.5= 0.01x0.9= 30X0.5= 0.78X0.2=3.4X2= 3.9X20= 0.5X0.28= 0.8x0.9= 1.5x8= 0.

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