cosi
2nd Grade
•50 Qs
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cosi
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
Standards-aligned
Quang Minh
FREE Resource
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50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Cho hai số thực dương a và b thỏa mãn a + b = 8 . Giá trị lớn nhất của tích ab là bao nhiêu?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Cho hai số thực dương x và y thỏa mãn xy = 9 . Giá trị nhỏ nhất của tổng x + y là bao nhiêu?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Cho hai số thực dương a và b thỏa mãn a + b = 6 . Giá trị lớn nhất của tích ab bằng:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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