题目内容
解方程.
10-25%x=6.5
x+
x=
.
10-25%x=6.5
| 1 |
| 5 |
| 2 |
| 3 |
| 12 |
| 35 |
10-25%x=6.5,
10-25%x+25%x=6.5+25%x,
6.5+25%x=10,
6.5+25%x-6.5=10-6.5,
25%x÷25%=3.5÷25%,
x=1.4.
x+
x=
,
x=
,
x×
=
×
,
x=
.
10-25%x+25%x=6.5+25%x,
6.5+25%x=10,
6.5+25%x-6.5=10-6.5,
25%x÷25%=3.5÷25%,
x=1.4.
| 1 |
| 5 |
| 2 |
| 3 |
| 12 |
| 35 |
| 13 |
| 15 |
| 12 |
| 35 |
| 13 |
| 15 |
| 15 |
| 13 |
| 12 |
| 35 |
| 15 |
| 13 |
x=
| 36 |
| 91 |
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