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Formula
Multiply two numbers
Answer
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$$21 \times 21$$
$441$
Multiply two numbers
$\color{#FF6800}{ 21 } \color{#FF6800}{ \times } \color{#FF6800}{ 21 }$
$ $ Multiply $ 21 $ and $ 21$
$\color{#FF6800}{ 441 }$
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