Question

1. Simplify :
(a) 28 + 5 * {6 - 2}
(b) 135 + 5 [19 - {12 - 2 x (9 - 8)}}
(c) 81 * [59 - {7 * 6+ (17 - 2 4)}}
(d) [5 * {16 + (11 - 12 - 3)} + 6]​

Answer 1

Answer:

(a) 48

(b) 180

(c) 1,944

(d) 66

Step-by-step explanation:

(a) 28 + 5 × {6-2}

→ 28 + 5 × 4

→ 28 + 20

→ 48

(b) 135 + 5 × [19 - {12 - 2 x (9 - 8)}}

→ 135 + 5 × [19 - {12 - 2 × 1}]

→ 135 + 5 × [19 - 10]

→ 135 + 5 × 9

→ 135 + 45

→ 180

(c) 81 × [59 - {7 * 6 + (17 - 24)}}

→ 81 × [59 - {7 × 6 - 7}]

→ 81 × [59 - 35]

→ 81 × 24

→ 1,944

(d) [5 × {16 + (11 - 12 - 3)} + 6]

→ [5 × {16 + (-4)} + 6]

→ 5 × 12 + 6

→ 60 + 6

→ 66

Hope this is helpful to you.

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