Gấp số 30 lên 3 lần ta được:
KHỐI 3_THỬ THÁCH TUẦN 21

Quiz
•
Education
•
1st - 5th Grade
•
Easy
Nguyen DN)
Used 5+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
33
303
90
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Đâu là phép chia hết?
55 : 5
54 : 5
56 : 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9 g ...... 9 kg; Dấu thích hợp điền vào ô trống là:
>
<
=
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Đoạn thẳng AB dài 24 cm, đoạn thẳng CD dài 4 cm. Hỏi độ dài đoạn thẳng AB dài gấp mấy lần độ dài đoạn thẳng CD?
48 lần
6 lần
12 lần
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.... : 7 = 3 (dư 2); Số thích hợp điền vào chỗ chấm là:
21
42
23
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
238 x 3 = ....; Số thích hợp điền vào chỗ chấm là:
714
694
724
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
381 : 3 = ....; Số thích hợp điền vào chỗ chấm là:
107
137
127
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