题目内容
解方程或解比例.
5x-4.6=6.4
x+
x=
:x=
:
.
5x-4.6=6.4
x+
| 3 |
| 7 |
| 7 |
| 10 |
| 1 |
| 2 |
| 1 |
| 6 |
| 3 |
| 5 |
(1)5x-4.6=6.4,
5x-4.6+4.6=6.4+4.6,
5x=11,
5x÷5=11÷5,
x=2
;
(2)x+
x=
,
x=
,
x÷
=
÷
,
x=
;
(3)
:x=
:
,
x=
×
,
x=
,
x÷
=
÷
,
x=1
.
5x-4.6+4.6=6.4+4.6,
5x=11,
5x÷5=11÷5,
x=2
| 1 |
| 5 |
(2)x+
| 3 |
| 7 |
| 7 |
| 10 |
| 10 |
| 7 |
| 7 |
| 10 |
| 10 |
| 7 |
| 10 |
| 7 |
| 7 |
| 10 |
| 10 |
| 7 |
x=
| 49 |
| 100 |
(3)
| 1 |
| 2 |
| 1 |
| 6 |
| 3 |
| 5 |
| 1 |
| 6 |
| 1 |
| 2 |
| 3 |
| 5 |
| 1 |
| 6 |
| 3 |
| 10 |
| 1 |
| 6 |
| 1 |
| 6 |
| 3 |
| 10 |
| 1 |
| 6 |
x=1
| 4 |
| 5 |
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