һ
.
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7
1. . .
2. : (2x-2 + 3x0,5 - 2) =9
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230113
:
9
1. . . .
2. 2+4 +4 =- 2.
2+ 3
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230113
:
10.
1. . .
2. OY 180. Y , , │ │=2√3
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230113
:
11.
1. .
2. 2 -8 +16 = 2.
- 4 3
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230113
:
12.
1. .
|
|
2. (-4;-1), (-1;-1), (6;3) D(-5;3)
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230113
:
13.
1. . .
2. 2 5 + 6 ?
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230113
:
14.
1. .
2. 8 .
... ..