题目内容
求x的值.
(1)4(
+x)=
(2)
×0.25+
x=
.
(1)4(
| 4 |
| 5 |
| 36 |
| 5 |
(2)
| 4 |
| 5 |
| 1 |
| 2 |
| 3 |
| 4 |
(1)4(
+x)=
,
+4x=
,
+4x-
=
-
,
4x=4,
x=1;
(2)
×0.25+
x=
,
0.2+
x=
,
0.2+
x-0.2=
-0.2,
x=
,
x=1
.
| 4 |
| 5 |
| 36 |
| 5 |
| 16 |
| 5 |
| 36 |
| 5 |
| 16 |
| 5 |
| 16 |
| 5 |
| 36 |
| 5 |
| 16 |
| 5 |
4x=4,
x=1;
(2)
| 4 |
| 5 |
| 1 |
| 2 |
| 3 |
| 4 |
0.2+
| 1 |
| 2 |
| 3 |
| 4 |
0.2+
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 2 |
| 11 |
| 20 |
x=1
| 1 |
| 10 |
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