题目内容
解方程
75%X-
X=
2X:
=6
X÷
-
=
.
75%X-
| 2 |
| 3 |
| 1 |
| 36 |
2X:
| 1 |
| 3 |
X÷
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
75%x-
x=
,
x-
x=
,
(
-
)x=
,
x=
,
x×12=
×12,
x=
;
2x:
=6,
2x=6×
,
2x÷2=2÷2,
x=1;
x÷
-
=
,
x÷
-
+
=
+
,
x÷
×
=1×
,
x=
.
| 2 |
| 3 |
| 1 |
| 36 |
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 36 |
(
| 9 |
| 12 |
| 8 |
| 12 |
| 1 |
| 36 |
| 1 |
| 12 |
| 1 |
| 36 |
| 1 |
| 12 |
| 1 |
| 36 |
x=
| 1 |
| 3 |
2x:
| 1 |
| 3 |
2x=6×
| 1 |
| 3 |
2x÷2=2÷2,
x=1;
x÷
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
x÷
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
x÷
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
x=
| 2 |
| 3 |
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