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1/4×3/5÷9/83/5÷1/20÷3/4（2/3-1/4）÷5/6这是简便计算
题目详情
1/4×3/5÷9/8 3/5÷1/20÷3/4 （2/3-1/4）÷5/6 这是简便计算
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答案和解析
1/4×3/5÷9/8
=1/4×3/5×8/9
=2/15
3/5÷1/20÷3/4
=3/5× 20÷3/4
=12÷3/4
=12×4/3
=16
（2/3-1/4）÷5/6
= （2/3-1/4）×6/5
= 4/5-3/10
=1/2
=1/4×3/5×8/9
=2/15
3/5÷1/20÷3/4
=3/5× 20÷3/4
=12÷3/4
=12×4/3
=16
（2/3-1/4）÷5/6
= （2/3-1/4）×6/5
= 4/5-3/10
=1/2
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