Question

solve question number 2,4 and 5​

Answer 1

1)17+21=38

2)-21+10= -11

3)32+17=49

Answer 2

(II)17-(-21)=17+21=38

(IV)(-21)-(-10)=-21+10=-11

(V)32-(-17)=32+17=49

(VI)(-18)-(-18)=-18+18=0

(VII)(-29)-0=-29