
二年級 - 加減的估算
Authored by Ting Van
Mathematics
2nd Grade
Used 57+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近52+19的答案?
60
70
80
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近28+49的答案?
60
70
80
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近68-49的答案?
10
20
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近61-32的答案?
30
40
50
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近19?把它圈起來。
20
30
40
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個數最接近109?把它圈起來。
120
110
100
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小恩有32元,媽媽又給他49元,小恩現在大約有幾十元?
70
80
90
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