（0.125+12.5-1.25）*16簡便運算

（0.125+12.5-1.25）*16簡便運算


0.125*16+12.5*16-1.25*16=2+200-20=182



28*41*5要怎麼用簡便方法計算？


=2*2*7*41*5
=（（2*5）*（2*41））*7
=（10*82）*7
=820*7
=5740
--僅供參考.



4.28*6-4.28-4.28*5用簡便方法怎麼算


4.28×6-4.28-4.28×5
=4.28×（6-1-5）
=4.28×0
=0

Elden Ring Premiere

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