题目内容
解方程(比例)
4x+3×0.7=6.5
:x=3:12.
4x+3×0.7=6.5
| 3 |
| 4 |
(1)4x+3×0.7=6.5
4x+2.1-2.1=6.5-2.1
4x÷4=4.4÷4
x=1.1;
(2)
:x=3:12
3x=
×12
3x÷3=9÷3
x=3..
4x+2.1-2.1=6.5-2.1
4x÷4=4.4÷4
x=1.1;
(2)
| 3 |
| 4 |
3x=
| 3 |
| 4 |
3x÷3=9÷3
x=3..
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