-4.2+5.7-8.4+10 计算。要过程

2024-12-17 19:05:33
推荐回答(3个)
回答1:

-4.2+5.7-8.4+10 = (5.7-4.2) + (10-8.4) = 1.5 + 1.6 = 3.1

回答2:

-4/1+5/6+2/3-1/2

回答3:

-4/1+6/5+3/2-2/1