(0.72*16分之11*4.8)/(25分之11*0.96*4右20分之1)
(0.72*16分之11*4.8)/(25分之11*0.96*4右20分之1)(简便计算)跪求!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
(0.72*16分之11*4.8)/(25分之11*0.96*4右20分之1)(简便计算)
跪求!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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[ 0.72 * (11 / 16) *4.8 ] /[(11/25)*0.96 * 4右20分之1)
=[(72/100) * (11/16) * (48 / 10)] / [(11/25) *(96/100)* (81/20)]
除数分子与被除数分子相约
=[(8/100) * (1/16) * (1 / 10)] / [(1/25) *(2/100)* (9/20)]
除数分母与被除数分母相约
=[(8/1) * (1/16) * (1 / 1)] / [(1/25) *(2/1)* (9/2)]
=[8* (1/16) * 1] / [(1/25) *2* (9/2)]
=(1/2)/ (9/25)
=25/18
=[(72/100) * (11/16) * (48 / 10)] / [(11/25) *(96/100)* (81/20)]
除数分子与被除数分子相约
=[(8/100) * (1/16) * (1 / 10)] / [(1/25) *(2/100)* (9/20)]
除数分母与被除数分母相约
=[(8/1) * (1/16) * (1 / 1)] / [(1/25) *(2/1)* (9/2)]
=[8* (1/16) * 1] / [(1/25) *2* (9/2)]
=(1/2)/ (9/25)
=25/18
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