题目内容
解方程.
1-
X=
×(X-
)=6
10:
=X:
.
1-
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 3 |
10:
| 2 |
| 3 |
| 2 |
| 5 |
(1)1-
X=
,
1-
X+
x=
+
x,
1-
=
+
x-
,
÷
=
x÷
,
x=1
;
(2)
×(X-
)=6,
x-
×
=6,
x-
+
=6+
,
x÷
=
÷
,
x=8
;
(3)10:
=X:
,
x=10×
,
x÷
=4÷
,
x=6.
| 2 |
| 3 |
| 1 |
| 4 |
1-
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
1-
| 1 |
| 4 |
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
x=1
| 1 |
| 8 |
(2)
| 3 |
| 4 |
| 1 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 25 |
| 4 |
| 3 |
| 4 |
x=8
| 1 |
| 3 |
(3)10:
| 2 |
| 3 |
| 2 |
| 5 |
| 2 |
| 3 |
| 2 |
| 5 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
x=6.
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