rebootsystem bootwed dec 208 44
De Khao sat DK lan 2 08-09
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Ngày tải lên: 02/06/2013, 01:25
Unit 4: Lesson 1: A1-2/ p. 44
... Unit 4: Lesson 1: A1-2/ p 44 I Vocabulary: - big (adj): To, lín - small (adj): Nhá, bÐ - in the city: ë thµnh - in the country: ë n«ng th«n Unit 4: Lesson 1: A1-2/ p 44 II Matching: Phong’s school ... Lesson 1: A1-2/ p 44 *Model sentences - Is Phong’s school small? - Yes, it is - Is Thu’s school small? - No, it isn’t Noun for people +’s + noun Unit 4: Lesson 1: A1-2/ p 44 III Reading: Answer ... p 44 Summary *Vocabulary: Big, small, in the city, in the country *Structures: Noun for people +’s + noun - Is Phong’s school small? - Yes, it is./ No, it isn’t Unit 4: Lesson 1: A1-2/ p 44...
Ngày tải lên: 23/06/2013, 01:26
giáo án hình 10 chương 2 (08-09)(cơ bản)
... a µ µ gặp giải tam giác tam giác = 17,4m, B = 440 30’, C = 640 Tính µ góc A cạnh a,b,c Bài toán cho Giải yếu tố nào? Biết cạnh a góc B, C µ = 1800- (440 30’+ 640 ) = Ta có: A Giáo viên : Khổng Văn ... 10 + (21,6) − 162 a = b + c − 2bc cos A ≈ 2.10.(21,6) b + c2 − a ⇒ CosA = ≈ 0,7188 2bc ) Suy A ≈ 440 2’ , ) ) ) 0 ’ B =180 -( A + C ) ≈ 25 58 b2 + c − a2 ; *Hệ cos A = 2bc b2 + c − a2 cos A = ; ... đònh lí cosin ta có : c2 = a2+ b2-2ab.cosC =162+102- Suy nghó lời giải 2.16.10.cos1100 c2 ≈ 465 ,44 Vậy c ≈ 21,6 (cm) Theo đònh lí cosin ta có: a2 = b2 + c2 − 2bc cos A 2 c = a + b -2ab.cosC b...
Ngày tải lên: 21/07/2013, 01:27
Giao an anh van 8 ky 2(08-09) - 3 cot
... carefully and check if they understand the meaning of the statements - Have Ss work in pairs to decide which of the statements is true and which is false - Play the tape and have Ss listen ( ... It helped to make my day much more meaningful This week I have more free time, and my family has decided to go on a picnic to my home village on Saturday Why dont you join us? We will be very happy...
Ngày tải lên: 28/07/2013, 01:25
