To solve the expression \( 48 \times 40 + \frac{1}{2} \times 4 \times 4 \), we can break it down step by step.
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Calculate \( 48 \times 40 \): \[ 48 \times 40 = 1920 \]
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Calculate \( \frac{1}{2} \times 4 \times 4 \): \[ 4 \times 4 = 16 \] Then, multiply by \( \frac{1}{2} \): \[ \frac{1}{2} \times 16 = 8 \]
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Now, add the two results together: \[ 1920 + 8 = 1928 \]
Therefore, the final result is \( \boxed{1928} \).