Вычислите ! а) 1/3+1/8; б) 2/15+5/12; в) 7/64+1/20; - вопрос №4137847131821551276412054223491 от Tikhon228 02.08.2020 06:13

Question

Математика: Вычислите ! а) 1/3+1/8; б) 2/15+5/12; в) 7/64+1/20; г) 5/42+2/3; д) 4/9-1/6; е) 5/6-5/12; ж) 7/10-8/15; з) 16/45-2/15 !

Tikhon228 · Answer

1/3 + 1/8= 8/24+3/24=11/242/15+5/12=8/60+25/60=33/60=11/207/64+1/20=0.165/42+2/3=10/84+56/84=66/84=33/42=11/144/9-1/6=8/18-3-18=5/185/6-5/12=10/12-5/12=5/127/10-8/15=21/30-16/30=5/30=1/616/45-2/15=16/45-6/45=10/45=2/9...