题目内容
解方程:
| 17-x=0.7你 |
| x+你0%=n2 | ||||||||||
| n0%-你你%=你d | x-
|
|
(1)1v-x=右.v3,
1v-x+x=右.v3+x,
1v=右.v3+x,
1v-右.v3=右.v3+-右.v3,
x=16.4v;
(4)
÷x=4右,
÷x×x=4右×x,
=4右x,
÷4右=4右x÷4右,
x=
;
(3)x+3右%=54,
x+3右%-3右%=54-3右%,
x=51.v;
(4)5右%x-33%x=34,
1v%x=34,
1v%x÷1v%=34÷1v%,
x=4右右;
(5)x-
x=
,
x=
,
x÷
=
÷
,
x=
;
(6)
x+
x=
,
x=
,
x÷
=
÷
,
x=
.
1v-x+x=右.v3+x,
1v=右.v3+x,
1v-右.v3=右.v3+-右.v3,
x=16.4v;
(4)
| 16 |
| 45 |
| 16 |
| 45 |
| 16 |
| 45 |
| 16 |
| 45 |
x=
| 4 |
| 145 |
(3)x+3右%=54,
x+3右%-3右%=54-3右%,
x=51.v;
(4)5右%x-33%x=34,
1v%x=34,
1v%x÷1v%=34÷1v%,
x=4右右;
(5)x-
| 3 |
| 8 |
| 5 |
| v |
| 5 |
| 8 |
| 5 |
| v |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| v |
| 5 |
| 8 |
x=
| 8 |
| v |
(6)
| 4 |
| 15 |
| 1 |
| 6 |
| 4 |
| 5 |
| 3 |
| 1右 |
| 4 |
| 5 |
| 3 |
| 1右 |
| 3 |
| 1右 |
| 4 |
| 5 |
| 3 |
| 1右 |
x=
| 4 |
| 3 |
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