Question

вычислите: 23 + 16 =
-13+25 =
-79+16=

Answer 1

1)2/3+1/6= 4/6+1/6=5/6
2)-1/3+2/5=-5/15+10/15=5/15=1/3
2)-7/9+1/6=-14/18+3/18=-11/18