7⼀8 1⼀4括住除以21⼀32用简便方法计算

2024-12-25 21:48:24
推荐回答(2个)
回答1:

用简便方法计算
(7/8+1/4)÷21/32
=7/8÷21/32+1/4÷21/32
=4/3+8/21
=9/7

回答2:

(7/8+1/4)÷21/32
=7/8÷21/32+1/4÷21/32
=4/3+8/21
=9/7