师徒二人做零件。师傅做了360个,比徒弟做的2倍还多40个。徒弟做了多少个?

游客 发布于 2023-12-14 阅读(31)
设徒弟做的零件数为x,师傅做的零件数是徒弟的2倍多40个,所以有方程:2x + 40 = 360 => 2x = 360 - 40 => 2x = 320 => x = 320 / 2 => x = 160