Seudónimo
Seudónimo
16-10-2016
Mathematics
contestada
100-99+98-97+ ... +4-3+2-1
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NaufalHakim
NaufalHakim
16-10-2016
it is like 100-99=1
98-97=1
96-95=1
94-93=1
92-91=1
it is 5 every 1 until 10
so 100÷10= 10
and 10×5=50
the answer is 50
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