how many times can u subtract 2 from 20?
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how many times can u subtract 2 from 20?
how many times can u subtract 2 from 20?
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20-2 = 18
period.
now the number becomes 18. end of the story.
simple solution is
= 20 ÷ 2
= 10
u can also check this by subtracting 20 by 2 then again subtracting by its result and so on ........
and in last u can count the no. of times u have subtract 2 from 20