24减去4与2的积，它的差是4的______倍．
（24-4×2）÷4
=16÷4，
=4．
故答案为：4．
________you know Peter? He is very short. [ ]
A. Do
B. Are
C. Is
D. Does
在日常生活中，照明电路的电压为多少伏。
