12.5*2.4-0.25*24简算

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12.5*2.4-0.25*24简算12.5*2.4-0.25*24简算12.5*2.4-0.25*24简算12.5*2.4-0.25*24=1.25*24-0.25*24=(1.25-0.25)*2

12.5*2.4-0.25*24简算
12.5*2.4-0.25*24简算

12.5*2.4-0.25*24简算
12.5*2.4-0.25*24
=1.25*24-0.25*24
=(1.25-0.25)*24
=1*24
=24

12.5*2.4-0.25*24
=1.25*24-0.25*24
=(1.25-0.25)*24
=1*24
=24
或者
=12.5*24-2.5*2.4
=(12.5-2.5)*2.4
=10*2.4
=24