题目内容
解方程:
|
17-120%x=5. |
(1)
x+
x=
,
x=
,
x÷
=
÷
,
x=
;
(2)17-120%x=5,
17-120%x+120%x=5+120%x,
17-5=120%x+5-5,
12=120%x,
12÷120%=120%x÷120%,
x=10.
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x=
| 9 |
| 10 |
(2)17-120%x=5,
17-120%x+120%x=5+120%x,
17-5=120%x+5-5,
12=120%x,
12÷120%=120%x÷120%,
x=10.
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