<ul><li>To subtract one from a series of twos, evaluate 2²² without a calculator by breaking it down using the power rules.</li><li>Factorizing 2²² yields 2¹⁰ * 2¹², and using the value of 2¹⁰ as 1024, the calculation is simplified further.</li><li>After multiplication, the number 2048 can be split into 2000 and 48, which could be expressed as a sum of squares and then simplified using the square of a sum technique.</li><li>By breaking down 48 into 40 and 8 and following the same method, the calculation becomes simpler and attainable without a calculator.</li></ul>

Can You Subtract the Numbers Without a Calculator?

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