Question

Answer 1

`a, 143 - 12 . 5 = 143 - 60 = 83`

`b, 27.2 - 18 : 3= 54 - 6 = 48`

`c, 54 : 27+ 13 = 2 + 13 = 15`

`d, 115/3 - 2`

`= 109/3`

Answer 2

a)143-12.5=143-60=83
b)27.2-18:3=54-6=48
c)54:27+13=2+13=15
d)230:6-18:9=\(\dfrac{115}{3}\)-2=\(\dfrac{115-6}{3}\)=\(\dfrac{109}{3}\)