7.2x-2.2x=0.5简易方程解答

2025-06-24 15:04:45
推荐回答(2个)
回答1:

7.2x-2.2x=0.5
(7.2-2.2)x=0.5
5x=0.5
x=0.1

回答2:

(7.2-2.2)X=5
5x=5
x=5÷5
x=1