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Look at the following-2,-1,0,2 which pair of the numbers has sum of 0

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-2+-1, -2+0, -1+0, -1+2, and 0+2, do not equal 2. The only one that works is -2+2.
User Modi
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2 votes

-2 and 2

-2 0 and 2

i hope this helps

you can try to pair ech of them and calculate like -2 with -1 no then -2 0 no -2 2 yes then with pair of three -2 -1 0 no etc-2 0 -2 yes


User Fvisticot
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