Question

2. Simplify each of the following:
(i) 124 -(12-2) × 9
(iii) 210- (14 - 4) * (18+ 2) - 10
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Answer 1

Answer:

(i) 34

124 - ( 12 - 2 ) × 9

124 - 10 ×9

124-90

= 34

Answer 2

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(i) 124 -(12-2) × 9

=> 124 - 10 × 9

( DMAS ) rule

=> 124 - 90

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( ii ) 210 -(14 - 4)×(18 + 2) -

10

=> 210 - 10 × 20 - 10

(DMAS) rule

=> 210 - 200 - 10

=> 210 - 210

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