五分之四乘以七分之五乘以八分之三等于多少?用简便方法计算

2024-11-03 13:51:32
推荐回答(2个)
回答(1):

4/5 X 5/7 X 3/8
= 4/8 X 5/5 X 3/7
= 1/2 X 3/7
= 3/14
或者
= ( 4 X 5 X 3 ) / ( 5 X 7 X 8 )
= 3 / ( 7 X 2 )
= 3/14

回答(2):

五分之四乘以七分之五乘以八分之三等于多少?用简便方法计算
4/5×5/7×3/8
=4/7×3/8
=3/14