如题所述
第1个回答 2023-11-25
解:解方程,此方程的解为x = 30
x - 0.8x = 6
(1 - 0.8)x = 6
(10/10 - 8/10)x = 6
(2/10)x = 6
(1/5)x = 6
x = 6 ÷ 1/5
x = 6 × 5
∴x = 30
答:此方程的解为x = 30本回答被网友采纳
x - 0.8x = 6
(1 - 0.8)x = 6
(10/10 - 8/10)x = 6
(2/10)x = 6
(1/5)x = 6
x = 6 ÷ 1/5
x = 6 × 5
∴x = 30
答:此方程的解为x = 30本回答被网友采纳