−145×257×−313 is equal to .

\frac{30}{13}

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\frac{- 30}{13}

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\frac{30}{35}

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\frac{30}{65}

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Solution

The correct option is A $\frac{30}{13}$
$\frac{- 14}{5} \times \frac{25}{7} \times \frac{- 3}{13}$ = $\frac{- 2 \times 5 \times - 3}{13}$
= $\frac{30}{13}$

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Q. Solve

\frac{743 \times 743 \times 743 + 257 \times 257 \times 257}{743 \times 743 - 743 \times 257 + 257 \times 257}

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−145×257×−313 is equal to .

The correct option is A 3013−145×257×−313 = −2×5×−313 = 3013

The correct option is A $\frac{30}{13}$
$\frac{- 14}{5} \times \frac{25}{7} \times \frac{- 3}{13}$ = $\frac{- 2 \times 5 \times - 3}{13}$
= $\frac{30}{13}$