六年级脱式计算题(分数)(0.75-3/16)*(2/9+1/3) 【1-(1/4+3/8)】/ 1/4= == = = =

问题描述:

六年级脱式计算题(分数)
(0.75-3/16)*(2/9+1/3) 【1-(1/4+3/8)】/ 1/4
= =
= =
= =

(0.75-3/16)×(2/9+1/3)
=(9/16-3/16)×(2/9+3/9)
=3/8×5/9
=5/24
【1-(1/4+3/8)】÷1/4
=【1-5/8】÷1/4
=3/8×4
=3/2