Решите а то завтра тестирование. Created by Revella7465. matematika-ru

Решите а то завтра тестирование...

July 2022 1 2 Report

Решите а то завтра тестирование

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antonikovakris №1:
а) 27 - 87 = - 60
б). - 108 - 82 = - 190
в) 4цел 2/3 + 5цел 4/7 = 14/3 + 39/7 = 98/21 + 117/21 = 215/21 = 10 цел 5/21
г). 16цел8/7 - 2цел 5/9 = 120/7 - 23/9 = 1080/63 - 161/63 = 919/63 = 14цел 37/63
д). - 3/11 * (-1цел2/9) = 3/11 * 11/9 = 1/3
е). -8/15 : 1цел 11/21 = - 8/15 : 32/21 = - 7/20

№2: 43 400 / 100 * 35 = 15 190 (руб.) - 35%
43 400 - 15 190 = 28 210 (руб.) - стоимость строительных материалов.

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