Вычислите 1)1/4+5/6 2/3+1/5 1/6+3/8 5/12+7/18 2)4/15+3/25 9/16+5/24 19/32 17/48 41/45+43/50 3)5/9+1/12 3/7+4/21 4/35+4/21 3/5+1/9 ДАЮ 35БАЛООВ
1/4 + 5/6 = 13/12
2/3 + 1/5 = 13/15
1/6 + 3/8 = 13/24
5/12 + 6/18 = 27/36
4\15 + 3/25 = 29/75
9/16 + 5/24 = 37/48
19\32 + 17/48 = 81/96
41/45 + 43/50 = ?
5/9 + 1/12 = 21/36
3/7 + 4/21 = 13/21
4/25 + 4/21 = ?
3/5 + 1/9 = 32/45
Спасибо
3/7 + 4/24/25 + 4/21 = ?