题目内容
解方程
x÷
=12
x÷
=
÷
.
| 2 |
| 3 |
| 1 |
| 4 |
x÷
| 6 |
| 35 |
| 26 |
| 45 |
| 13 |
| 25 |
考点:方程的解和解方程
专题:简易方程
分析:(1)根据等式的性质,两边同乘上
,再同乘上
即可;
(2)先化简方程得x÷
=
,根据等式的性质,两边同乘上
即可.
| 1 |
| 4 |
| 3 |
| 2 |
(2)先化简方程得x÷
| 6 |
| 35 |
| 10 |
| 9 |
| 6 |
| 35 |
解答:
解:(1)
x÷
=12
x÷
×
=12×
x=3
x×
=3×
x=
;
(2)x÷
=
÷
x÷
=
x÷
×
=
×
x=
.
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| 1 |
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| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
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| 2 |
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x=
| 9 |
| 2 |
(2)x÷
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| 35 |
| 26 |
| 45 |
| 13 |
| 25 |
x÷
| 6 |
| 35 |
| 10 |
| 9 |
x÷
| 6 |
| 35 |
| 6 |
| 35 |
| 10 |
| 9 |
| 6 |
| 35 |
x=
| 4 |
| 21 |
点评:本题考查了学生根据等式的性质解方程的能力,注意等号要对齐.
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