12.5x8.8的简便方法

寿贤路1033用简便方法计算1.31x12.5x8 -
向怪姚18347084397 ______ 展开全部1.31x12.5x8=1.31x(12.5x8)=1.31x100=131

寿贤路103312.5x8.8十2.5x4.4的简便 -
向怪姚18347084397 ______ 12.5x8.8十2.5x4.4=12.5*8*1.1+2.5*4*1.1=10*1.1+10*1.1=11+11=22

寿贤路103312.5*0.88简便计算 -
向怪姚18347084397 ______ 12.5*0.88简便计算结果等于11. 解:12.5*0.88 =(2.5x5)x(0.8+0.08) =2.5x5x0.8+2.5x5x0.08 =2.5x5x4x0.2+2.5x5x4x0.02 =(2.5x4)x(5x0.2)+(2.5x4)x(5x0.02) =10x1+10x0.1 =10+1 =11 即12.5*0.88等于11. 扩展资料: 1、四则运算法则 (1)同一...

寿贤路103312.5x88.8(可以想出几种简算方法)? -
向怪姚18347084397 ______[答案] 12.5x88.8通过对试题的分析,我们可以发现12.5乘以8为整数,所以原式子可以简算为12.5乘以80+12.5乘以8+12.5乘以0.8=1110

寿贤路103312.5x8.88可以用几种简便方法来计算 -
向怪姚18347084397 ______ 88 =12.5*812.5*8*1

寿贤路10330.125X8.8怎么用简便方法做 -
向怪姚18347084397 ______ 0.125X8.8怎么用简便方法做 0.125X8.8 =0.125*(8+0.8) =0.125*80+0.125*8 =10+1 =11

寿贤路103312.5*88.8的简便方法 -
向怪姚18347084397 ______ 12.5*88.8 =12.5x8x11.1 =100x11.1 =1110

寿贤路103312.5x80.8递等式计算能简算的用简便方法计算 -
向怪姚18347084397 ______ 12.5*80.8 =12.5*(8*10.1) =(12.5*8)*10.1 =100*10.1 =1010

寿贤路103312.5*80.8的简便方法计算? -
向怪姚18347084397 ______ 12.5*80.8 =12.5*8*10.1 =100*10.1 =1010.

寿贤路1033(1.25 12.5)x0.8用简便算法 -
向怪姚18347084397 ______ 2011-03-16 66乘21加19乘21加85乘19用简便算法...10-0.2)=1.25*10-1.25*0.2=12.5-1.5=... 1.25x8.8=1.25x8+1.25x0.8=10+1=11