計算高手1
Authored by Ng Saikong
Mathematics
2nd Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
320÷8÷2＝
40
20
80
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
58×39≈
2400
1500
2262
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
555÷7≈
79......2
80
70
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10×10＝（ ） 800÷8=（ ）
100 100
10 10
20 100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小數加減法的原則是 （ ）
相同數位對齊，即是小數點對齊
末尾對齊
相同數位對齊，末尾對齊都行
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.8＋0.5＝
23
2.3
0.23
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.8＋0.2＝
2.0
1.6
2
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