Les addition
654 +989
1638
t + 2=7
t=5
5 +4
9
5438 + 452
5890
x - 5 = 10
x = 15
23 +7
30
89497 + 4674
94171
- p + ( - 3 ) = 5
P = 2
459 + 30
489
685480 + 9856
695336
- f x - 2 = 12
f = 6
1+1
2
365436568 + 6527673
371964241
j - (-3) = c + 3 = 8
j=4
c=4
1000000000000000000000 +0
1000000000000000000000 + 0