写出283的十位近似值。
2年级数学(1000以内的整数,加法,减法)

Quiz
•
Mathematics
•
1st - 2nd Grade
•
Medium
TIO Moe
Used 39+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
300
280
270
200
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
十个十个逆序地数,370之后是什么数目?
360
400
380
390
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
写出987中“8”的数值。
十位
8
个位
80
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
写出654的数位分析法。
6个十 5个百 4个一
600 50 4
6个百 5个十 4个一
60 500 4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
28 11
17
39
38
37
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
134 22
146
354
112
156
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
这两组珠子合起来共是多少?
427
429
420
400
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