Question

A)21÷3+3×4-8

B)60-40÷(2+3×6)

C)(8×15-20)-3×(20+12)÷2

Answer 1

a) 7+12-8= 19-8=11
b) 60-40÷(2+6)= 60-40÷8= 60-5= 55
c) 120-20-60-36÷2= 120-20-60-18= 120-98=22

Answer 2

A) 7+12-8=11


B)60-40÷(2+18)

20÷20=1


C)(120-20)-3x32÷2

100-3x16

100-48

=52