题目内容
解方程.
A、24-3
x=10 B、x×(1-45%)=
.
A、24-3
| 1 |
| 3 |
| 11 |
| 25 |
A、24-3
x=10,
24-3
x+3
x=10+3
x,
10+3
x=24,
10+3
x-10=24-10,
3
x=14,
3
x÷3
=14÷3
,
x=4
;
B、x×(1-45%)=
,
x×0.55=
,
x×0.55÷0.55=
÷0.55,
x=
.
| 1 |
| 3 |
24-3
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
10+3
| 1 |
| 3 |
10+3
| 1 |
| 3 |
3
| 1 |
| 3 |
3
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
x=4
| 1 |
| 5 |
B、x×(1-45%)=
| 11 |
| 25 |
x×0.55=
| 11 |
| 25 |
x×0.55÷0.55=
| 11 |
| 25 |
x=
| 4 |
| 5 |
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