The correct option is A 34520 × 19 = 380 ( 5) × 7 = 35 ∴ 20 × 19 + ( 5) × 7 = 380 + ( 35) = 345 ...

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Multiplication of integers

20 × 19+-5 × ...

Question

$20 \times 19 + (- 5) \times 7 =$

345

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350

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442

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Solution

The correct option is A 345
$20 \times 19 = 380$

$(- 5) \times 7 = - 35$

$∴ 20 \times 19 + (- 5) \times 7 = 380 + (- 35) = 345$

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20×19+(-5)×7

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