TRNG THCS HềANG LAM KIM TRA CHT LNG GIA HC Kè NM HC 2010 2011 TấN :LP: I- Trắc nghiệm khách quan(3 điểm) Hãy khoanh tròn vào chữ cái đứng trớc câu trả lời đúng 1/ S no sau õy chia ht cho c 2 v 3: A/ 15 B/ 42 C/6 D/ 11 2/ S 30 cú bao nhiờu c ? A/5 B/6 C/7 D/8 3/ S nỏo sau õy l s nguyờn t : A/27 B/17 C/57 D/56 4/ Kt qu ca phộp tớnh 3 6 :3 l: A/3 6 B/3 5 C/3 4 D/3 3 5/ S 1 l: A/ S nguyờn t B/ Hp s C/ Khụng l s nguyờn t cng khụng l hp s D/tt có iu ỳng 6/Cỏc s nguyờn t nh hn 10 l: A/ 3;3;5;6 B/1;2;3;5;7 C/2;3;5;7 D/3;4;5;7 7/ Kt qu ca 6 3 l: A/9 B/18 C/36 D/216 8/ Kt qu lit kờ cỏc phn t ca tp hp A={x N /12< x 15} A/A={12;13;14} B/A={13;14;15} C/A={11;12;13;14} D/A={12;13;14;15} II . Phần tự luận (7 điểm) Bi 1/ Tớnh giỏ tr ca biu thc : (3 ) A/ 150- (4 2 .5 - 3.5 2 ) B/ 72- (15 - 8) 2 C\ 157 + 216 + 43 + 84 Bi 2/ Tỡm x bit (3) A/ (3x-15) + 25 =55 B/ 11 6x = 5 C/ (x - 3).5 = 40 Bi 3: (1) Sosỏnh: 3 500 v 5 300 ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------------------- . TRNG THCS HềANG LAM KIM TRA CHT LNG GIA HC Kè NM HC 2010 2011 TấN :LP: I- Trắc nghiệm khách quan(3