0.375乘7⼀3 8⼀5乘7⼀3怎么脱式计算

2025-03-21 23:32:02
推荐回答(1个)
回答1:

0.375×3/7+5/8×3/7
=0.375×3/7+0.625×3/7
=3/7×(0.375+0.625)
=3/7×1
=3/7