若a为整数,a+12>0,a+10<0,则a2=_.
问题描述:
若a为整数,a+12>0,a+10<0,则a2=______.
答
∵a为整数,a+12>0,a+10<0,
∴a=-11,
∴a2=(-11)2=121.
故答案为:121.