Question

1. Simplify.
a. 8 + (12 – 5) b) 5 × (7 + 4)
b. 4(2 + 6) + 4 – 3(9 – 7)
c. 32 ÷ (14 – 6) × 3
d. 35 – {15 – (19 + 5)÷3}
e.62 + 2 {56 ÷ (4 × 2) – 5}
f. 5 {13 + 12 ÷ 3 (2 × 2) – 4}
g. 25 – [90 – 5{9 –(14 – 12)}] ÷ 5
h. (15 × 4) ÷ 6 [{32 ÷ 4(7 × 2 – 15 + 5)} + 3]


2. Make the mathematical expressions, then simplify.
a) 3 times the sum of 6 and 5.
b) 5 times the difference of 10 and 3.
c) 9 is subtracted from 2 times the sum of 7 and 4.
d) 48 is divided by 3 times the difference of 15 and 11.
e) The sum of 60 and 30 is divided by 10 and the difference of quotient and 3 is divided by 2.

Answer 1

Answer:

a. ans.--- 15

b. ans. 55

c. ans.