11/20 -5/12; 3/16+1/24; 7/25 -4/15; 3/8 +7/20; - вопрос №19884481120512316124725415387201945718 от 45891233i 20.01.2023 21:49

Question

Математика: 11/20 -5/12; 3/16+1/24; 7/25 -4/15; 3/8 +7/20; 19/45-7/18;

45891233i · Answer

А) 11/20 -5/12 = 33/60 -25/60 = 6/60 = 1/10
б)3/16+1/24 = 9/48+2/48 = 11/48
в)7/25 -4/15 = 21/75 -20/75 = 1/75
г)3/8 +7/20 = 15/40 +14/40 = 29/40
д)19/45 -7/18 = 38/90 -35/90 = 3/90 = 1/30