Question

4.
Simplify the given expressions.
(a) (12 + 3) (4-2) + 15 (10-5) ÷ 3
(b) (20 + 4) (14 - 10) + 8 (5-3)÷ 8
(c) 100 - 3 (9-5) ÷ (10 - 4)
(d) 16 + 15 (28 - 20) ÷ (84 - 78)
(e) (16÷ 4) (10 - 5) * 3+ 11× (2+ 3)

(F) (54 ÷ 9) (18-8) × 6 + 20 × (5 + 3)
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Answer 1

Answer:

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Answer 2

Answer:

$c) \: 100 - 3 \times 46 \: \\ 100 - 12 \div 6 \\ 100 - 2 \\ 98$

$d) \: 16 + 15 \times 8 \div 6 \\ 16 + 120 \div 6 \\ 16 + 20 \\ 36$

$e) \: 16 \div 4 \times 5 \times 3 + 11 \times 5 \\ 4 \times 5 \times 3 + 11 \times 5 \\ 20 \times 3 + 55 \\ 60 + 55 \\ 115$

$f) \: 6 \times 10 \times 6 + 20 \times 8 \\ 60 \times 6 + 160 \\ 360 + 160 \\ 520$