题目内容
解方程.
(1)3x-6=8.25;
(2)x:
=
:
.
(1)3x-6=8.25;
(2)x:
| 1 |
| 10 |
| 1 |
| 4 |
| 1 |
| 8 |
(1)3x-6=8.25
3x-6+6=8.25+6
3x÷3=14.25÷3
x=4.75;
(2)x:
=
:
x=
×
x÷
=
÷
x=
.
3x-6+6=8.25+6
3x÷3=14.25÷3
x=4.75;
(2)x:
| 1 |
| 10 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 10 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 40 |
| 1 |
| 8 |
x=
| 1 |
| 5 |
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