Evaluate
1280
Factor
2^{8}\times 5
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\frac{1080+1480}{2}
Multiply 72 and 15 to get 1080. Multiply 74 and 20 to get 1480.
\frac{2560}{2}
Add 1080 and 1480 to get 2560.
1280
Divide 2560 by 2 to get 1280.
Examples
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Matrix
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Limits
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