AI NHANH HƠN? ( CHỦ ĐỀ TÍNH NHANH)
Flashcard
•
Mathematics
•
4th Grade
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
45 X 10 = ?
Back
450
2.
FLASHCARD QUESTION
Front
380 X 100 = ?
Back
38000
3.
FLASHCARD QUESTION
Front
10500 : 10 = ?
Back
1050
4.
FLASHCARD QUESTION
Front
450000 : 100 = ?
Back
4500
5.
FLASHCARD QUESTION
Front
45 x 3 + 45 x 7 = ?
Back
450
6.
FLASHCARD QUESTION
Front
50 x 4 + 50 x 6 = ?
Back
500
7.
FLASHCARD QUESTION
Front
41 x 30 + 41 x 70
Back
4100
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