22x3⼀4+25x75⼀100—7×0.75用最简便的方法计算出此题

2025-03-03 06:25:26
推荐回答(2个)
回答1:

22x3/4+25x75/100—7×0.75
=22x0.75+25x0.75-7x0.75
=(22+25-7)x0.75
=40x0.75
=30

回答2:

=22X3/4+25x3/4-7X3/4
=(22+25-7)X3/4
=40X3/4
=30