Kiểm tra một tiết chương I lớp: 7a. Môn: Đại số

Trường THCS Xuân Áng KIỂM TRA MỘT TIẾT CH Ư ƠNG I
Lớp: 7A. Môn: Đại số
Họ và tên: ____________________________
 Điểm
Lời phê của thầy (cô) giáo
ĐỀ BÀI.
 Câu 1: (3 đ) Thực hiện phép tính:
	a, 	b, c, 
Câu 2: (2,5 đ) Tìm x biết:
	a, 	b, 
Câu 3: (3 đ) Tìm các số a, b, c biết: và a + b – c = 10
Câu 4: (1,5 đ) Tìm các số tự nhiên n biết: 8 < 2n 2 . 32
BÀI LÀM
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