括号,5⼀6+4⼀5快起来,乘以三十。

2025-06-21 02:43:02
推荐回答(2个)
回答1:

解:(5/6+4/5)*30
=5/6*30+4/5*30
=25+24
=49

回答2:

=5/6x30+4/5x30
=25+24
=49