B .
C .
x=
46 97 203 59 66 22 501 310 80 1933

B:
变成
,相当于把这个分数扩大了10倍。
1÷5= 12.9÷3= 1.2÷10= 4.8÷8=
2.4÷1.2= 0÷0.5= 0.6÷6= 15.3÷3=
My name is Mary. I am eleven. Ted is my brother. He is thirteen. We are in the same school. My mother is a teacher. She is a teacher in our school. My father is a teacher, too. He is a Chinese teacher in a college. I have a cat. Its name is Miaomiao. It is white. It is a nice cat. We are good friends.

B .
C .
D .
涂黄色,
涂绿色,没涂色部分占这张纸的几分之几?
|
表面 |
2厘米深处 |
4厘米深处 |
6厘米深处 |
|
|
干细沙温度 |
26 |
24 |
22 |
20 |
|
湿泥土温度 |
24 |
23 |
22 |
21 |
=
=
=÷72=(填小数)