发布网友 发布时间:2024-10-24 15:01
共2个回答
热心网友 时间:2024-11-08 00:43
解:解方程,此方程的解为x = 6/5,【即x = 1.2】
3.6X +0.9X等于5.4
3.6x + 0.9x = 5.4
[(3×10+6)/10]x + (9/10)x = (5×10+4)/10
(36/10)x + (9/10)x = 54/10
(45/10)x = 27/5
(9/2)x = 27/5
x = 27/5 ÷ 9/2
x = 27/5 × 2/9
x = 6/5
∴x = 1.2
答:此方程的解为x = 6/5,【即x = 1.2】
热心网友 时间:2024-11-08 00:49
3.6x+0.9x=5.4
解:
4.5x=5.4
x=5.4÷4.5
x=6/5