如题所述
108✘12的简便方法怎么算
=100X12十8x12
=1200+96
=1296
=100X12十8x12
=1200+96
=1296
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第1个回答 2022-12-16
这道题需要运用到一个定义,就是乘法分配律。乘法分配律是值两个数的和或差与一个数相乘,可以先把他们分别与这个数相乘再相加。用字母表示,可以是:(a+b)×c=a×c+b×c或者a×c+b×c=(a+b)×c,其中加号可以变成减号,等式依然成立。
108✘12
=(100+8)x12
=100x12+8x12
=1200+96
=1296
108✘12
=(100+8)x12
=100x12+8x12
=1200+96
=1296
第2个回答 2017-04-27
=(100+8)x12
=100x12+8ⅹ12
=1200+96
=1296本回答被网友采纳
=100x12+8ⅹ12
=1200+96
=1296本回答被网友采纳
第3个回答 2017-04-27
=(100+8)X12
=100X12+8X12
=1200+96
=1296
=100X12+8X12
=1200+96
=1296
第4个回答 2017-04-27
=108×(10+2)
=1080+216
=1296
=1080+216
=1296