方程:①6.74-5.4X=0.37+4.6X ②3/8÷X=1/20÷0.6
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 22:38:58
![方程:①6.74-5.4X=0.37+4.6X ②3/8÷X=1/20÷0.6](/uploads/image/z/1146652-52-2.jpg?t=%E6%96%B9%E7%A8%8B%EF%BC%9A%E2%91%A06.74-5.4X%3D0.37%2B4.6X+%E2%91%A13%2F8%C3%B7X%3D1%2F20%C3%B70.6)
方程:①6.74-5.4X=0.37+4.6X ②3/8÷X=1/20÷0.6
方程:①6.74-5.4X=0.37+4.6X ②3/8÷X=1/20÷0.6
方程:①6.74-5.4X=0.37+4.6X ②3/8÷X=1/20÷0.6
:①6.74-5.4X=0.37+4.6X
6.74+0.37=5.4x+4.6x
10x=7.11
x=0.711
②3/8÷X=1/20÷0.6
3/8×0.6=1/20×x 两边都乘以40
9=2x
x=9/2
答案:
1.x=0.637
2.x=9/2