题目内容
计算下列算术题,并用英语表达出来
Example: 12+8=20
Twelve and eight is twenty.
1.10+ 30 =40
__________________________
2.50+20= 70
__________________________
3. 40 +20=60
__________________________
4.30+50= 80
__________________________
5. 80 +10=90
__________________________
练习册系列答案
相关题目