0.25*62.7*0.4简便计算

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0.25*62.7*0.4简便计算
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0.25*62.7*0.4简便计算
0.25*62.7*0.4简便计算

0.25*62.7*0.4简便计算
0.25*62.7*0.4
=0.25*0.4*62.7
=0.1*62.7
=6.27

=0.25x0.4x62.7=0.1x62.7=6.27
望采纳,谢谢

0.25*62.7*0.4
=0.25*4*62.7
=62.7

交换律
0.25*0.4*62.7=0.1*62.7=6.27

=0.25×0.4×62.7
=0.1×62.7
=6.27

这个一眼就看出来了a,还用简便算?一个是四分之一一个是0.4还不好算?