Система:
1) a^2 - b^2 = 40,
2) 2(a + b) = 20;
1) (a+b)(a-b) = 40
2) a + b = 10
10(a - b) = 40
1) a - b = 4
2a = 14; a = 7; b = 3
Ответ: 7 см и 3 см
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Система:
1) a^2 - b^2 = 40,
2) 2(a + b) = 20;
1) (a+b)(a-b) = 40
2) a + b = 10
10(a - b) = 40
1) a - b = 4
2) a + b = 10
2a = 14; a = 7; b = 3
Ответ: 7 см и 3 см