Ответ:
22.
100 - 30 - 40 = 30%
270*0,3 = 81 (ед. товара)
23.
a = 7, b = 6 (7² - 6² = 13)
7² + 6² = 49 + 36 = 85
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Ответ:
22.
100 - 30 - 40 = 30%
270*0,3 = 81 (ед. товара)
23.
a = 7, b = 6 (7² - 6² = 13)
7² + 6² = 49 + 36 = 85