13 plus -8 = 5 ... and -18 plus -2 = -20.
4/9 x 2/2 = 8/18 5/18 + 8/18 = 13/18
8
(-5)+(-8)+(-13)+(-16)+(-8)+11+0 11-16-13-8-8-5 -5-13-16-5 -18-21 -39
The sum is 93.
120 + 13 + 3 + 8 + 2 + 2 + 353 + 42 + 20 + 28 + 87 + 8 + 10 = 696
No. 2 + 7 - 8 = 1 8 + 7 - 2 = 13
13.
5 + 42 - 8 + 92 + 2 + 4 + 18 - 514 = -359
273 13+8 = 21 and 13*21 = 273
2 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 106
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 210
13 and 5/8 plus 7/8 = 13 and 12/8, or 14 and 1/2