Question

(a) 27 + 81 : 9 - 12 =

(b) 12. 5 _ 40 : 5 =

(c) 90 - (25+30 : 2 ) +1=

Answer 1

a)27+9-12
36-12
24

b)60-8
52

c)90-(25+15)+1
90-40+1
50+1
51