-52=______；（-5）2=______．
-52=-1×52=-25，
（-5）2=（-1）2×52=25．
故答案为-25，25．
在一副三角板中，最大的角是______角，最小的角是______度．
Meimei's home isn't ___________ the school. So she gets to school ___________ foot.[ ]
A. far from, by
B. far to, by
C. far from, on
D. far of, on
