DAI HOC LAN 1 LE QUY DON

Ngày tải lên: 12/09/2013, 14:59

Ngày tải lên: 01/11/2013, 01:11

... only … more brittle than hard maples, but they are also less able to withstand high winds. A. soft maples are B. they are soft maples C. are soft maples D. soft maples Question 10 : “Did you know ... himself seriously ill A. he had completed the task did he find B. had he completed the task did he find C. had he completed the task he found D. did he completed the task he had found Quest...

Ngày tải lên: 29/08/2013, 13:46

... only ….. more brittle than hard maples, but they are also less able to withstand high winds. A. soft maples are B. they are soft maples C. are soft maples D. soft maples Question 10 : “Did you know ... until……………..himself seriously ill A. he had completed the task did he find B. had he completed the task did he find C. had he completed the task he found D. did he completed the task he had fo...

Ngày tải lên: 05/09/2013, 16:34

... only … more brittle than hard maples, but they are also less able to withstand high winds. A. soft maples are B. they are soft maples C. are soft maples D. soft maples Question 10 : “Did you know ... himself seriously ill A. he had completed the task did he find B. had he completed the task did he find C. had he completed the task he found D. did he completed the task he had found Quest...

Ngày tải lên: 10/03/2014, 22:20

Ngày tải lên: 14/03/2014, 09:01

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Ngày tải lên: 18/03/2014, 06:20

... THI 0 01 Biết: H= 1 He= 4, C= 12 ,N= 14 , O= 16 , Na= 23, Mg= 24, Al= 27, Cl= 35,5, Ca= 40, Fe= 56, Cu= 64, Ag= 10 8, Ba= 13 7 ĐỀ BÀI Câu 1: Hỗn hợp X gồm 1 ankan và 1 anken. Cho X tác dụng với ... M, được 3x mol CO 2 và 1, 8x mol H 2 O. Cho 0 ,1 mol M tác dụng với ddịch AgNO 3 /NH 3 dư thì số gam kết tủa thu được là : A. 16 ,88. B. 17 ,56. C. 19 ,96. D. 19 ,82. Câ...

Ngày tải lên: 24/03/2014, 14:20

... II.2 (1, 0 điểm) Hệ viết lại là: 2 2 ( 1) ( 1) 1 1 ( 1) ( 1) 1 1 x x y y y x                  0,25 Đặt 1 0, 1 0x u y v      ta có hệ: 4 2 3 2 2 3 4 2 4 2 1 ( )( 1) 0 1 1 0, ... III. (1, 0 điểm) 2 2 2 4 4 1 1 sin (cot ) 1 cot 1 cot x I dx d x x x            0,5 2 4 ln 1 cot ln 1 cot ln 1 cot ln2 2 4 x              0,5...

Ngày tải lên: 05/09/2013, 08:10

... PPQ'(RS ! 67 + 1 67 + 1  C 1 B A 1 A 1 C 11 A : B 1: A ; C 1; C < D 1& lt; D = B 1= D @ D 1@ B A B 1A B ! B :! D  A : C  B : C 1 C :1 B : D :: A ; C :; A < C ... 9k05H'S`,I,< ;1 0, 15 •<H0(!55< ;1 05H+O5H, +UŠ  H *21A2 82 1& lt;2 2:2...

Ngày tải lên: 05/09/2013, 08:10