题目内容
解方程.
14x=
x=
x×
×
=4
(
+
)x=10.
14x=
| 7 |
| 8 |
| 5 |
| 8 |
| 5 |
| 12 |
x×
| 5 |
| 6 |
| 12 |
| 35 |
(
| 1 |
| 2 |
| 1 |
| 3 |
(1)14x=
14x÷14=
÷14
x=
;
(2)
x=
x÷
=
÷
x=
;
(3)x×
×
=4
x×
=4
x×
÷
=4÷
x=14;
(4)(
+
)x=10
x=10
x÷
=10÷
x=12.
| 7 |
| 8 |
14x÷14=
| 7 |
| 8 |
x=
| 1 |
| 16 |
(2)
| 5 |
| 8 |
| 5 |
| 12 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 12 |
| 5 |
| 8 |
x=
| 2 |
| 3 |
(3)x×
| 5 |
| 6 |
| 12 |
| 35 |
x×
| 2 |
| 7 |
x×
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
x=14;
(4)(
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
x=12.
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