9.6*0.25怎样简便计算
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9.6*0.25怎样简便计算
9.6×0.25
=(10-0.4)×0.25
=10×0.25-0.4×0.25
=2.5-0.1
=2.4
0.25=1/4
9*0.25=9/4=2.4
=2.4*4*0.25
=2.4*1
=2.4
9.6*0.25怎样简便计算
9.6×0.25
=(10-0.4)×0.25
=10×0.25-0.4×0.25
=2.5-0.1
=2.4
0.25=1/4
9*0.25=9/4=2.4
=2.4*4*0.25
=2.4*1
=2.4