KIEM TRA 45 PHUT CHUONG 1 DE 6

<span class='text_page_counter'>(1)</span>Họ và tên: ................................................ Lớp: ....................................................... Điểm số:. KIỂM TRA 45 PHÚT ĐẠI SỐ LỚP 7 CHƯƠNG 1 – Đề số 6 Đọc kỹ câu hỏi và thực hiện bài làm ngay trên tờ giấy này ( Không sử dụng tài liệu ). Câu 1 (6 điểm) : Thực hiện phép tính (tính hợp lý nếu có thể) a). 3 4. d) |. 2. 7. 5. 10. + −5 6. |+(. b) (. ;. −2 3. 5. −7 2. )+(. −2 3. −1. )+(. −3 5. ) ;. c) -. 3 8. . 2. −1. 2. −13 + 8 7. .. 2 7. ; 211 . 92. 1. ) ∶ 2 − ( 2 )0 − ( 2 )2 ; e) (0,125 - ) : ( 2 + 3 ) ; f) 3 2 5 2 6 . 16. Câu 2 (3 điểm) : Tìm x, biết: a). 3 5. :x=. −22 15. ;. 2. 5. 5. 2. b) |𝑥 − | -. 1. = ; 3. c) (x −. 1 3 ) 2. = -27;. Câu 3 (1 điểm): So sánh : 2600 và 3400 ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ..........................................................................................................................................................................

<span class='text_page_counter'>(2)</span> Truy cập để xem đáp án và biểu điểm chi tiết ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ......................................................................................................................................................................... ..........................................................................................................................................................................

<span class='text_page_counter'>(3)</span>