Kiểm tra 15 (tiết 9) Môn Đại Số 7

Trường :THCS Thụy Hương Tiết 9 KiÓm tra 15’ Môn : Đại Số 7 Họ tên:.......................................... Lớp: 7 Điểm Lời phê của cô giáo

ĐỀ BÀI

Bài 1 (5 điểm) Tính:

a) ( )0 = ........................ b)

3

3 150

50

...................................................................................................

c) (-7,5)8 : (-7,5)7 =........................................

d) . ( )2015 =.......................................

e)

10

8 8 ........................................................................................ 2 

Bài 2:(5 điểm) Tìm x biết:

a) (x - )2 = 0 b) ( x - 2)3 = -125 c) + x = d)

81 3 3x 

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