125x25x3224x25用简变运算怎样算

如题所述

第1个回答 2015-06-06

125x25x3224x25
=125x25x(8x403)x25
=125x8x25x403x25
=1000x25x25x403
=1000x25x25x(404-1)
=1000x25x25x404-1000x25x25
=1000x25x25x(4x101)-625000
=1000x25x(25x4x101)-625000
=1000x25x(100x101)-625000
=1000x100x(25x101)-625000
=100000x2525-625000
=252500000
=251875000本回答被网友采纳

相似回答

125x25x3224x25用简变运算怎样算答：125x25x3224x25 =125x25x(8x403)x25 =125x8x25x403x25 =1000x25x25x403 =1000x25x25x(404-1)=1000x25x25x404-1000x25x25 =1000x25x25x(4x101)-625000 =1000x25x(25x4x101)-625000 =1000x25x(100x101)-625000 =1000x100x(25x101)-625000 =100000x2525-625000 =252500000 =251875000 ...

125x25×32x24x25简单计算答：简单计算方法如下：125x25×32x24x25 =125x32x25x24x25 =125x8x4x25x6x4x25 =1000x(4x25)x6x(4x25)=1000x100x100x6 =60000000

125×25×32-24×25答：请采纳，如图

125×25×3的简便运算脱试?答：简便运算方法一：125x25x3 =125x100/4x3 =12500x3/4 =37500/4 =9375 本题简便运算的技巧在于:将25变成100除以4。这样三位数乘以两位数就转变成了整百乘法计算，然后剩下的就是多位数与个位数的乘除了。简便运算方法二：=125×(24+1)×3 =125×24x3+125×3 =125×8×9+125×3 =9000+375...

和125x32X25是同类的有几个?答：乘法交换律就可以比如125*25*32，32*25*125，32*125*25，24*32*125，24*125*32等等 32*25*125=800*125=100000

做出十二个简便计算答：简便运算 第一种 (300+6)x12 25x(4+8) 125x(35+8) (13+24)x8 第二种 84x101 504x25 78x102 25x204 第三种 99x64 99x16 638x99 999x99 第四种 99X13+13 25+199X25 32X16+14X32 78X4+78X3+78X3 第五种 125X32X8 25X32X125 88X125 72X125 第六种 3600÷25÷4 8100÷...

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