LudivinaTank41 LudivinaTank41

21-02-2015
Mathematics

contestada

Write an equivalent expression for n x a using only addition.

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sandhubs73 sandhubs73

21-02-2015

>> (for k = 0; k < n; ++k)
>>>> a += a;
>>
> or in any manner you choose, the sum of a + a + a + ... + a (repeated n times).
>> Integer multiplication is the same as repeated addition

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