3.75-1.75*0.24怎麼簡便計算

3.75-1.75*0.24怎麼簡便計算


3.75-1.75*0.24
=3.75-1.75*4*0.06
=3.75-7*0.06
=3.75-0.42
=3.33



如何簡便算124*25-25*24


124*25-25*24
=（100+24）*25-25*24
=25*100+24*25-25*24
=25*100
=2500



124+166-24簡便計算


124+166-24
=124-24+166
=100+166
=266



124*45-45*24如何簡便計算


（124-24）*45=4500

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