1) 1 1/4*1 1/5 2)2 1/2*2 4/5 3)2 2/7*1 1/8 4)1 3/5*7 - вопрос №83320741114115221224532271184135712 от ninapopova197 31.10.2022 07:48

Question

Математика: 1) 1 1/4*1 1/5 2)2 1/2*2 4/5 3)2 2/7*1 1/8 4)1 3/5*7 1/2

ninapopova197 · Answer

1) 1 1/4·1 1/5 = 5/4 · 6/5 = 30/20 = 3/2 = 1 1/22)2 1/2·2 4/5 = 5/2 · 14/5 = 70/10 = 73)2 2/7·1 1/8 = 16/7 · 9/8 = 144/56 = 18/7 = 2 4/74)1 3/5·7 1/2 = 8/5 · 15/2 = 120/ 10 = 12...