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134x8 57 8简便算法

134x8=(125+9)x8=125x8+9x7=1000+72= 1072

134X8十8X66的简便运算?134X8十8X66=8x(134+66)=8x200=1600

解:134x8+8x66 =8X(134+66) =8X200 =1600

134X8十8X66=(134+66)*8=200*8=1600

134乘以8加8乘66=134x8=(134+66)x8=200x8=1600

134X8十134X2=134*(8十2)=134X10=1340

134*8+8*56=(134+56)x8=190x8=1520

用简便方法计算 134*8+8*66=8x(134+66)=8x200=1600

简便计算:(125+40)*8=125*8+40*8=1000+320=1320

原式=124x8+1x8=(124+1)x8=125x8=1000

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