7.2+8x=57.76怎么算

7.2+8x=57.76怎么算
2025-12-15 05:21:11
推荐回答(2个)
回答1:


回答2:

7.2+8x=57.76
8x=57.76-7.2
8x=50.56
x=50.56÷8
x=6.32