Question

Вычислите
1+1=
2+2=
3+3=
999999999+1=
9999999+99999999=
9090-34=
СПАСИТЕ!!!
ПЛИЗ!

Answer 1

1+1=2
2+2=4
3+3=6
999999999+1=1000000000
9999999+99999999=109999998
9090-34=9056

Answer 2

cgc