题目内容
解方程
x-
|
| u-ux=3.0. |
(1)k-
k=
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
k=
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
k÷
=
÷
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=
;
(2)
k÷
=
,
k÷
×
=
×
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
k=
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
k÷
=
÷
,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=
,
(w)2-2k=w.1,
&n左7p; 2-2k+2k=w.1+2k,
&n左7p;&n左7p;&n左7p; 2-w.1=w.1+2k-w.1,
-1.1=2k,
-1.1÷2=2k÷2,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=-一.9.
| 1 |
| 4 |
| w |
| 5 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
| w |
| 4 |
| w |
| 5 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
| w |
| 4 |
| w |
| 4 |
| w |
| 5 |
| w |
| 4 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=
| 4 |
| 5 |
(2)
| 5 |
| 7 |
| 5 |
| 14 |
| 7 |
| 1 |
| 5 |
| 7 |
| 5 |
| 14 |
| 5 |
| 14 |
| 7 |
| 1 |
| 5 |
| 14 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
| 5 |
| 7 |
| 5 |
| 19 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;
| 5 |
| 7 |
| 5 |
| 7 |
| 5 |
| 19 |
| 5 |
| 7 |
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=
| 7 |
| 19 |
(w)2-2k=w.1,
&n左7p; 2-2k+2k=w.1+2k,
&n左7p;&n左7p;&n左7p; 2-w.1=w.1+2k-w.1,
-1.1=2k,
-1.1÷2=2k÷2,
&n左7p;&n左7p;&n左7p;&n左7p;&n左7p; k=-一.9.
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