Simplification
- Simplify :
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= 17 − 
13 × 4 
= 17 − 13 2 4 3 2 3 = 51 − 26 = 25 = 4 1 6 6 6 Correct Option: B
= 17 − 13 × 4 = 17 − 13 2 4 3 2 3 = 51 − 26 = 25 = 4 1 6 6 6
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the result is :When 
1 − 1 + 1 − 1 
is divided by 2 − 5 + 3 − 7 2 4 5 6 5 9 5 18
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? = 1 − 1 + 1 − 1 ÷ 2 − 5 + 3 − 7 2 4 5 6 5 9 5 18 = 30 − 15 + 12 − 10 ÷ 36 − 50 + 54 − 35 60 90 = 17 ÷ 5 = 17 × 18 60 90 60 = 51 = 5 1 10 10 Correct Option: A
? = 1 − 1 + 1 − 1 ÷ 2 − 5 + 3 − 7 2 4 5 6 5 9 5 18 = 30 − 15 + 12 − 10 ÷ 36 − 50 + 54 − 35 60 90 = 17 ÷ 5 = 17 × 18 60 90 60 = 51 = 5 1 10 10
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√2 + 1 2 is equal to : √2
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√2 + 1 2 √2 = 2 + 1 + 2 × √2 × 1 = 4 1 2 √2 2 Correct Option: C
√2 + 1 2 √2 = 2 + 1 + 2 × √2 × 1 = 4 1 2 √2 2
- (0.1 × 0.01 × 0.001 × 107) is equal to
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0.1 × 0.01 × 0.001 × 107
= 10− 6 × 107 = 10Correct Option: D
0.1 × 0.01 × 0.001 × 107
= 10− 6 × 107 = 10
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4.41 × 0.16 is simplified to 2.1 × 1.6 × 0.21
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4.41 × 0.16 = 441 × 16 = 1 2.1 × 1.6 × 0.21 21 × 16 × 21 Correct Option: A
4.41 × 0.16 = 441 × 16 = 1 2.1 × 1.6 × 0.21 21 × 16 × 21
