Сократите дробь 1)49/77*88/42*36/180 2)25/121*11/56*64/100*77 - вопрос №14977884236180225121115664100774102829 от moon137 31.07.2022 19:58

Question

Математика: Сократите дробь 1)49/77*88/42*36/180 2)25/121*11/56*64/100*77

moon137 · Answer

1) 49/77 * 88/42 * 36/180 = 49/7 * 8/42 * 6/30 = 7 * 4/7 * 1/15 = 4/15;2) 25/121 * 11/56 * 64/100 * 77 = 25/11 * 1/7 * 8/100 * 77 = 25 * 8/100 = 8/4 = 2;...