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Khắc phục hiện tượng không xuất hiện menu Bộ công cụ Violet trên PowerPoint và Word

12099162 Kính chào các thầy, cô. Khi cài đặt phần mềm , trên PowerPoint và Word sẽ mặc định xuất hiện menu Bộ công cụ Violet để thầy, cô có thể sử dụng các tính năng đặc biệt của phần mềm ngay trên PowerPoint và Word. Tuy nhiên sau khi cài đặt phần mềm , với nhiều máy tính sẽ...
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Nguồn:
Người gửi: Phan Cao Cuong
Ngày gửi: 21h:23' 09-05-2017
Dung lượng: 692.0 KB
Số lượt tải: 142
Số lượt thích: 0 người
Họ và tên:...................................................... Bài kiểm tra 45’
Lớp: 6………………… Môn: Hình học 6
Điểm.




Lời nhận xét.

Đề bài.
1. (4đ) Vẽ theo lời diễn đạt sau:
a, Góc aOb có số đo bằng 700
b, Góc mOn và mOk kề bù
c, Đường tròn tâm I bán kính 3cm và đường kính CD
d, Tam giác ABC, có AB = 3cm, AC = 5cm, BC = 6cm.
2. (6Trên cùng một nửa mặt phẳng bờ chứa tia Ox, vẽ tia Oa, Oy sao cho góc xOa = 650
và xOy = 1300 .
a, Tia Oa có nằm giữa hai tia Ox và Oy không ? Vì sao ?
b, Tính số đo góc aOy?
c, Tia Oa có là tia phân giác của góc xOy không ? Vì sao ?
d, Vẽ tia đối Oz của tia Oy. Tính số đo góc aOz?

Bài làm.

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Họ và tên:……………………………………… ĐỀ KIỂM TRA VẬT LÍ 8
Lớp:…………… (Thời gian 45 phút)
Mã đề II

Câu 1(4đ) : a/Viết công thức tính công suất, nêu rõ các đại lượng có trong công thức ?
b/Áp dụng giải bài toán sau: Đầu tàu hỏa kéo toa xe với một công A= 3000J hết thời gian 5 giây.Tính công suất của đầu tàu?

Câu 2(2đ): Cơ năng của một vật phụ thuộc vào những yếu tố nào?

Câu 3(4đ): Đưa một vật có trọng lượng P = 400N lên cao theo phương thẳng đứng bằng một hệ Palăng gồm một ròng rọc cố định và một ròng rọc động người công nhân đã kéo đầu dây đi một đoạn là 10m. (Bỏ qua ma sát).
a/ Tính lực kéo và độ cao đưa vật lên.
b/ Tính công nâng vật lên.

Bài làm:

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Họ và tên:……………………..………… ĐỀ KIỂM TRA VẬT LÍ 8
Lớp :……………… (Thời gian 45 phút)
Mã đề I

Câu 1(4đ) : a/Viết công thức tính công cơ học, nêu rõ các đại lượng có trong công thức ?
b/Áp dụng giải bài toán sau: Đầu tàu hỏa kéo toa xe với lực F = 5000N làm xe đi được quảng đường 2000m.Tính công của lực kéo đầu tàu?

Câu 2(2đ): Cơ năng của một vật phụ thuộc vào những yếu tố nào?

Câu 3 (4đ):Đưa một vật có trọng lượng P = 240N lên cao theo phương thẳng đứng bằng một hệ Palăng gồm một ròng rọc cố định và một ròng rọc động người công nhân đã kéo đầu dây đi một đoạn là 8m. (Bỏ qua ma sát).
a/ Tính lực kéo và độ cao đưa vật lên.
b/ Tính công nâng vật lên.





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Họ và tên:...................................................... Bài kiểm tra 15’
Lớp: 6……... Môn: Số học 6
Điểm.



Lời nhận xét.


Đề bài 1
Câu 1: Tìm x, y Z, :
a,  b, c, 
Câu 2: Rút gọn các phân số sau:
a) b)  c) 

Bài làm.

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........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Họ và tên:...................................................... Bài kiểm tra 15’
Lớp: 6……... Môn: Số học 6
Điểm.



Lời nhận xét.


Đề bài 2
Câu 1: Tìm x, y Z, :
a,  b, c, 
Câu 2: Rút gọn các phân số sau:
a)  b)  c) 

Bài làm.

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1. Thế nào là 2 tia đối nhau?
- Vẽ tia đối Ax của tia Ay.
2. Cho N thuộc đoạn thẳng AB, biết AN = 3cm, AB = 7cm. Tính BN = ?
3. Cho 3 đoạn thẳng AB, BC, CA trong đó AB = 2 cm; BC = 3 cm; CA = 4 cm. Hỏi B có nằm giữa 2 điểm A và C không ? Vì sao ?

Bài làm.

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