What will come in place of the question mark (?) in the following questions ?
We need to calculate the value of $$ 14 \times 4.5-7.4 \times 3.5 $$
$$14 \times 4.5 = 63$$
$$7.4 \times 3.5 = 25.9$$
Hence, the difference equals $$63 - 25.9 = 37.1$$
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