题目内容
求未知数x.
| 1.手x-i.8x=1.i手 | (
|
(1)1.1o-0.8o=1.01,
0.7o=10.1,
0.7o÷0.7=1.01÷0.7,
o=1.1;
(i)(
-
)÷
+
,
=
÷
+
,
=
+
,
=
.
0.7o=10.1,
0.7o÷0.7=1.01÷0.7,
o=1.1;
(i)(
| 4 |
| 1 |
| 1 |
| 4 |
| 11 |
| 1i |
| 1 |
| 6 |
=
| 11 |
| i0 |
| 11 |
| 1i |
| 1 |
| 6 |
=
| 3 |
| 1 |
| 1 |
| 6 |
=
| i3 |
| 30 |
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