S. K. Gupta Anubhuti Gangal Class 5 Math Seventh Chapter Simplification (Order Of Operations) Exercise 27
EXERCISE 27
Simplify:
(1) (5 + 1) ÷ 2 × 4 + 7
= 6 ÷ 2 × 4 + 7
= 3 × 4 + 7
= 12 +7
= 19
(2) [3 + (4 × 5) ÷ 2 – 6] ÷ 7
= [3 + 20 ÷ 2 – 6] ÷ 7
= [3 + 10 – 6] ÷ 7
= [13 – 6] ÷ 7
= 7 ÷ 7
= 1
(5) 450 ÷ (18 × 5) – 10 ÷ 2
= 450 ÷ 90 – 5
= 5 – 5
= 0
(7) 2 ÷ (3 + 5) × 6
= 2 ÷ 8 × 6
= 2 ÷ 48
= 24
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