根据题意得:x-4=0y-2=0,解得:x=4y=2,
则xy=8=22.
故答案是:22.
—It’s necessary and important ______school teachers to teach their students how to get on well with others.
—Yes, you said it.
A. of
B. for
C. from
D. to
根据下面中印两国领土重叠示意图估算,印度的面积大约是
A.5万平方千米
B.100万平方千米
C.300万平方千米
D.4000万平方千米