Question

Решить примеры 2+1=1+2=1+1=. И 3-1=2-1=5-2=

Answer 1

2+1=1+2=1+1=8
3-1=2-1=5-2=0

Answer 2

2+1=1+2=1+1=8
3-1=2-1=5-2=0