Выполните сложение:2/51+1/9+3/17: 2/21+4/15+6/35: 5/8+1/6+7\12: 3/11+9\22+4/55: 1/24+11/30+5/12,
2/51+ 1/9+3/17= 6/153+ 17/153+ 27/153= 50/153; 2/21+ 4/15+6/35= 10/105+ 28/105+ 18/105=56/105; 5/8+ 1/6+7/12= 15/24+4/24+14/24=33/24= 1 9/24= 1 3/8; 3/11+9/22+4/55=30/110+ 45/110+8/110=83/110; 1/24+11/30+5/12=5/120+ 44/120+ 50/120= 99/120=33/40.
Как ты решала напиши пжлст,