TIMO Khối 4 – Vòng Quốc gia (Heat Round) – Đề số 2
📄Description
📋Instructions
📝Exam Questions (25 questions)
Previewing the first 3 questions — the rest is saved for the exam itself.
What is the value of the number to represent "?" in the following sequence? 1, 1, 2, 4, 7, 13, 24, ？, 81, 149, …
Value: Giá trị; Represent: Biểu diễn; Sequence: Dãy số.
According to the pattern shown below, how many circle(s) is / are there from the 1st to the 200th figure counting from the left? ○ △ □ ○ ○ △ △ □ □ ○ ○ ○ △ △ △ □ □ □…
Pattern: Quy luật; Circles: Hình tròn; Figure: Hình vẽ.
A stationery store had a batch of ball pens. One half but 2 fewer pens were sold on the first day. One half of the remaining part but 3 fewer pens were sold on the second day. Finally, 11 ball pens are left. How many ball pen(s) did the stationery store have originally?
One half: Một nửa; Fewer: Ít hơn; Remaining: Còn lại; Originally: Lúc đầu.
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