a math jj extracted from GR Math总结（02.8.19-8.25）——19

gansen

QS a pair of odd integers, what’s the sum of the integers?
i) at least one integer is negative
ii) at least one integer is positive

A:[C]【确认】

why is c, i think it should be E

tongxun

a pair 是指绝对值相等的两个数吗？不是则选E。在OG 的数学中我好象没遇到类似的表达。