3⼀5-1⼀4与2⼀5的积所得的差除,7⼀16商是多少?

2025-04-24 06:15:34
推荐回答(1个)
回答1:

依题意得:
(3/5-1/4×2/5)÷7/16
=(0.6-0.1)×16/7
=0.5×16/7
=8/7