Question

1.5 +(-21):7=
2.15x{4+(-9)}=
3.(-9)-(-8):2=
4.(-12)+(-6):2=
5.500:[(-10):2]=

ksih tw ya
thanks

Answer 1

1.5+(-3)=5-3=2
2.15 x (-5)=-75
3.-9-(-4)=-9+4=-5
4.-12+(-3)=-15
5.500:(-5)=-100

Answer 2

1. 5+(-3) = 2
2. 15x(-5) = -75
3. -9+4=-5
4. -12+(-3) = -15
5. 500/-5 = -100