x458(3200) 1、x458,3200?答:3200=450+5X+X解方程过程如下解:3200=450+5X+X3200=450+(5+1)X6X=3200-4506X=2750X=2750÷6X=2750×1/6X=458又1/... 红枣网/ 热门/ 2023-07-01/ 17 阅读