(3×7)+(12×2) is the expression using the given numbers, where the result is equal to 45.
The given numbers are 3, 7, 12, and 2.
We need to form an expression using the given numbers, where the result is equal to 45.
A numerical expression is a mathematical statement involving only numbers and one or more operation symbols.
Now, (3×7)+(12×2)=21+24=45.
Therefore, (3×7)+(12×2) is the expression using the given numbers, where the result is equal to 45.
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