Question
$(207 \times 193) =$ ?
✓
Answer
$207 \times 193 $
$= (200 + 7) (200 - 7)$
$= (200)^2 - (7)^2$
$= 40000 - 49$
$= 39951$
$= (200 + 7) (200 - 7)$
$= (200)^2 - (7)^2$
$= 40000 - 49$
$= 39951$
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