ahihi, kỉ niệm 30 bạn kết bạn với mình, chúc các bạn có giây phút hack não sau mỗi giờ học căng thẳng nha ahihi :))
các bạn hãy đoán xem có bao nhiêu nhân viên lười việc đang trốn sếp vậy nhỉ
Vẽ một tam giác
a) Hình đó có bao nhiêu điểm? Bao nhiêu đoạn thẳng?
b) Vẽ một điểm bên trong tam giác đó. Nối điểm đó với các điểm của tam giác . Hình vẽ lúc này có bao nhiêu tam giác?
c) Vẽ thêm một điểm bên trong tam giác nhỏ. Nối điểm đó với các điểm của tam giác nhỏ đó và các điểm của tam giác lớn nhất. Hình vẽ lúc này có bao nhiêu tam giác?
d) Xóa hai điểm bất kỳ trong hình. Lúc này hình vẽ có bao nhiêu tam giác? Bao nhiêu tam giác bị mất đi?
Vẽ hình tam giác
a) Hình đó có bao nhiêu điểm? Bao nhiêu đoạn thẳng?
b) vẽ một điểm bên trong tam giác đó. Nối điểm đó với các điểm của tam giác. Hình vẽ lúc này có bao nhiêu tam giác?
c) vì sao bốn điểm đó không tạo thành hình vuông?
các bạn đoán tối nay tỉ só là bao nhiêu
đố mọi người:có 9 con trâu trong đó 3 trâu đực 3 trâu cái .tổng vào là 6 con nhưng đề bài cho là 9 các bạn hãy đoán xem số 9 đó lấy ở đâu ra
có một con cáo và một con chin bị mắc lưới con cáo hỏi mày có muốn ra k. các bạn đoán xem con chim sẽ nói gì?
có hai hình tam giác . hình tam giác thứ nhất có tổng bằng 23. hình tam giác thứ hai có tổng bằng 36. hỏi tổng của hai hình tam giác l;à bao nhiêu?
đố các bạn có bao nhiêu chữ u
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bạn nào đoán đúng mình cho 100like
Trong hình bên:
Có bao nhiêu hình tam giác?
Bạn có “chiêu” nào để có thể thức trắng 7 ngày mà vẫn không thiếu ngủ?
Có 1 người muốn làm quen với 1 cô gái, liền chạy lại hỏi tên,cô gái nói:
– Anh hãy đếm xem trong giỏ có bao nhiêu cây bắp thì khắc biết tên tôi.
Người có đếm được 12 cây bắp,hỏi cô gái đó tên gì?
Chứng minh con gái = con dê
Có 1 cô gái người ta thường gọi là tam giác , hỏi cô gái đó tên gì?