题目内容
解方程
X÷
=
11X-
=
6X=
÷
.
X÷
| 7 |
| 5 |
| 15 |
| 14 |
| 3 |
| 20 |
| 19 |
| 20 |
| 3 |
| 4 |
| 1 |
| 2 |
(1)x÷
=
,
x÷
×
=
×
,
x=1.5;
(2)11x-
=
,
11x-
+
=
+
,
11x÷11=
÷11,
x=0.1;
(3)6x=
÷
,
6x=1.5,
6x÷6=1.5÷6,
x=0.25.
| 7 |
| 5 |
| 15 |
| 14 |
x÷
| 7 |
| 5 |
| 7 |
| 5 |
| 15 |
| 14 |
| 7 |
| 5 |
x=1.5;
(2)11x-
| 3 |
| 20 |
| 19 |
| 20 |
11x-
| 3 |
| 20 |
| 3 |
| 20 |
| 19 |
| 20 |
| 3 |
| 20 |
11x÷11=
| 11 |
| 10 |
x=0.1;
(3)6x=
| 3 |
| 4 |
| 1 |
| 2 |
6x=1.5,
6x÷6=1.5÷6,
x=0.25.
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