题目内容
解方程.
x=
x÷
=
÷
.
| 3 |
| 4 |
| 5 |
| 12 |
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
即可.
(2)原式变为x÷
=
,根据等式的性质,两边同乘
即可.
| 4 |
| 3 |
(2)原式变为x÷
| 6 |
| 35 |
| 10 |
| 9 |
| 6 |
| 35 |
解答:
解:(1)
x=
x×
=
×
x=
(2)x÷
=
÷
x÷
=
×
x÷
=
x÷
×
=
×
x=
| 3 |
| 4 |
| 5 |
| 12 |
| 3 |
| 4 |
| 4 |
| 3 |
| 5 |
| 12 |
| 4 |
| 3 |
x=
| 5 |
| 9 |
(2)x÷
| 6 |
| 35 |
| 26 |
| 45 |
| 13 |
| 25 |
x÷
| 6 |
| 35 |
| 26 |
| 45 |
| 25 |
| 13 |
x÷
| 6 |
| 35 |
| 10 |
| 9 |
x÷
| 6 |
| 35 |
| 6 |
| 35 |
| 10 |
| 9 |
| 6 |
| 35 |
x=
| 4 |
| 21 |
点评:此题考查了根据等式的性质解方程,即等式两边同加上、同减去、同乘上或同除以一个不为0的数,等式仍相等.同时注意“=”上下要对齐.
练习册系列答案
相关题目