题目内容
解方程.
(1)x+5%=0.42÷10%
(2)
:x=1
:(5-2
)
(1)x+5%=0.42÷10%
(2)
| 5 |
| 8 |
| 1 |
| 2 |
| 3 |
| 5 |
(1)x+5%=0.42÷10%
x+5%=4.2
x+5%-5%=4.2-5%
x=4.15;
(2)
:x=1
:(5-2
)
1
x=
×2
1
x÷1
=
÷1
x=1.
x+5%=4.2
x+5%-5%=4.2-5%
x=4.15;
(2)
| 5 |
| 8 |
| 1 |
| 2 |
| 3 |
| 5 |
1
| 1 |
| 2 |
| 5 |
| 8 |
| 2 |
| 5 |
1
| 1 |
| 2 |
| 1 |
| 2 |
| 3 |
| 2 |
| 1 |
| 2 |
x=1.
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