9 + 4 + 7 + 8 = 28
16 + 2 + 9 + 4 + 7 + 8 is = 18 + 9 + 4 + 7 + 8 = 27 + 4 + 7 + 8 = 31 + 7 + 8 = 38 + 8 = 46
4 + 5 + 6 + 7 + 8 + 9 = 39
9 + 8 + 7 + 6 + 5 + 4 = 39
2 + 4 + 8 + 6 + 3 + 7 + 9 + 8 = 47
9 + 8 + 7 + 6 + 5 + 4 + 3 = 42
9 + 6 + 9 + 6 + 9 + 8 + 5 + 2 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 99
1+2+3+4+5+6+7+8+9=37
8/9 + 4/7 = ((8*7)+(4*9))/(9*7) = 92/63
1+2+3+4+5+6+7+8+9= 45 :)
1+2+3+4+5+6+7+8+9+10=55
(1/4) + (7/8) = (2/8) + (7/8) = 9/8 = 11/8
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55