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There are 20 consecutive even numbers. How much bigger is the sum of the larger 10 ones than the sum of the smaller ones?
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7 votes
There are 20 consecutive even numbers. How much bigger is the sum of the larger 10 ones than the sum of the smaller ones?

User Sefan
by
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1 Answer

9 votes
(22+24+26+28+30+32+34+36+38+40) - (2+4+6+8+10+12+14+16+18+20)

310-110

200
User Sreeram Garlapati
by
6.6k points
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