数学初二分式的加减 一块麦田有mhm눀,甲收割完这块麦田需nh,乙比甲少用0,5h就能收割完这块麦

2025-04-13 13:33:33
推荐回答(1个)
回答1:

m/n+m/(n+0.5)
=(mn+0.5n+mn)/n(n+0.5)
=(2mn+0.5n)/n(n+0.5)

2m/5n²p-3n/4mp²
=(8m²p-15n²)/20mn²p²