ĐỀ THI KHẢO SÁT CHẤT LƯỢNG - TOÁN LỚP 6

Thứ bảy - 31/07/2021 07:19

ĐỀ THI KHẢO SÁT CHẤT LƯỢNG
M«n to¸n 6
Thêi gian lµm bµi 60 phót(Không kể thời gian phát đề)

Họ và tên:………………………..

Điểm

Lớp ……
Bài làm

Câu 1(3 điểm). Tìm x, biết:
a) x =

; b)

; c)

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......................................................................................................................................... Câu 2(3 điểm). Thực hiện phép tính (Tính nhanh nếu có thể):
a) A =

; b) B =

.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. ..........................................................................................................................................
     c) C =

............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Câu 3(3 điểm). Cho hai tia Oy và Ot cùng nằm trên nửa mặt phẳng có bờ chứa là tia Ox. Biết

,

.

Tia Ot có nằm giữa hai tia Ox và Oy không? Vì sao?
Tính =?
Gọi Oz là tia đối của tia Ox. Tính =?

........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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Câu 4(1 điểm). Cho S =

. Hãy chứng tỏ rằng S < 1.
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Nguồn tin: Giáo viên: Nguyễn Thị Huế