问题
解答题
求未知数x 5x-4.5×2=0.5
|
答案
(1)5x-4.5×2=0.5,
5x-9=0.5,
5x-9+9=0.5+9,
5x=9.5,
5x÷5=9.5÷5,
x=1.9;
(2)
2 |
3 |
5 |
6 |
5 |
6 |
2 |
3 |
5 |
6 |
5 |
6 |
5 |
6 |
5 |
6 |
X=6×
6 |
5 |
X=
36 |
5 |
求未知数x 5x-4.5×2=0.5
|
(1)5x-4.5×2=0.5,
5x-9=0.5,
5x-9+9=0.5+9,
5x=9.5,
5x÷5=9.5÷5,
x=1.9;
(2)
2 |
3 |
5 |
6 |
5 |
6 |
2 |
3 |
5 |
6 |
5 |
6 |
5 |
6 |
5 |
6 |
X=6×
6 |
5 |
X=
36 |
5 |