A:what your friend i
B:who your friend i
C:what is your friend
D:who is your friend
23 + 14 =
25 ﹣ 29 =
35 ÷ 910 =
1÷ 78 =
17× 916 =
34 ﹣ 12 =
3﹣4× 34 =
1﹣ 16 ﹣ 13 =
28×( 37 + 14 )=
1 57 × 712 =
下列图案中,对称轴条数最多的是( )
下图是中纬度某地区一月份等温线分布示意图下列说法正确的是( )