回答详情
秃眉蛇眼的艺
2019-11-10 12:49:53
两边同乘x,得
40+5x=100,x≠0,
5x=60,
x=12,经检验,符合x≠0
40+5x=100,x≠0,
5x=60,
x=12,经检验,符合x≠0
最新回答
2026-06-06 08:31:51
2026-06-05 11:07:14
2026-06-05 11:07:10
2026-06-05 11:07:00
2026-06-05 11:06:53
2026-06-05 11:06:46


