朋友,愿我的祝福如冬日里的一缕阳光,为你送去温暖;如沙漠里的一潭绿水,为你带来希望;____,____;____,____。
78×6=____
27×4=____
435×9=____
将语句与图片匹配。
____( 1 )Vicky went to Hong Kong by plane.
____( 2 )Lily bought gifts for her father.
____( 3 )Alex took some pictures last Sunday.
____( 4 )Tom went swimming yesterday.
____( 5 )Sarah went camping with her friends.
A B C
D. E.
组数
分组(单位:岁)
频数
频率
1
20,25)
5
0.05
2
25,30)
20
0.20
3
30,35)
a
0.35
4
35,40)
30
b
40,45
10
0.10
合计
n
1.00