Question

Divide. Give special attention to the order of division. a. 72 ÷ 9 ÷ 2 b. (18 ÷ 6) ÷ 3 c. 45 ÷ 5 ÷ 3 d. 144 ÷ (12 ÷ 2)

Answer 1

a. 72÷9÷2 = 8÷2 = 4
b. (18 ÷ 6) ÷ 3 = 3 ÷ 3 = 1
c. 45 ÷ 5 ÷ 3 = 9 ÷ 3 = 3
d. 144 ÷ (12 ÷ 2) = 144 ÷6 = 24

Answer 2

a. 4

b. 1

c. 3

d. 24

Explanation:

a. 72 ÷ 9 ÷ 2

= (72÷9)÷2

= 8÷2

= 4

b. (18 ÷ 6) ÷ 3

= 3÷3

= 1

c. 45 ÷ 5 ÷ 3

= (45÷5)÷3

= 9÷3

=3

d. 144 ÷ (12 ÷ 2)

= 144÷6

= 24