7/12+7/20 3/8+1/18 1/12+11/14 3/4 2/15+7/12 9/14-5/12 - вопрос №7127203811811211143421571291451219757509525475 от CEVA55555 23.07.2020 19:49

Question

Математика: 7/12+7/20 3/8+1/18 1/12+11/14 3/4 2/15+7/12 9/14-5/12 19/75+7/50

CEVA55555 · Answer

1) 7/12+7/20= 35/60+21/60=56/60=28/30=14/15 2)3/8+1/18= 54/144+8/144=62/144=31/72 3)1/12+11/14=7/84+66/84=73/84 4)2/15+712=712 2/15 5)9/14-5/12=54/84-35/84=19/84 6)19/75+7/50=38/150+21/150=59/150...