Cho a,b,c là các số thực khác 0, thỏa mãn: `a + b - 2017.c /c` = `b + c - 2017.a /a` = `c + a - 2017.b /b` Hãy tính giá trị của biểu thức: B= (1 + `b/a`).(1 + `a/c`).(1 + `c/b`)

các bạn giải hộ bài này cho điểm nha -4/6-5/9 = nhi các bạn

Vẽ cảnh hoàng hôn bằng màu bột đi Và thế là tự dưng được làm trưởng nhóm :3

Nhờ mng giúp em bài này với ạ, đề bài là match the comments about the weather (1-6) to the replies (a-f)

Tìm nghiệm: E (x) = $x^{2}$ - 5

Nhờ mọi ng giúp mình bài này với ạ

I.Find the words which has a different sound in the part underline(0,5pt) 1. A. wanted B. filled C. stayed D. played 2. A. ahead B. instead C. seat-belt D. bread II. Find the words which has a different stress pattern .(0,5pt) 1. A. different B. dangerous C. pollution D. plentiful 2. A. environment B. petroleum C. effectively D. fashionable C.LANGUAGE FOCUS(3,0pts) I.Choose the correct option A, B, C or D to complete the sentences.(2,0pts) 1. Solar energy __________ by many countries in the world in the future. A. use B. will use C. will be using D. will be used 2. __________ is a renewable source. A. Coal B. Oil C. Wind D. Gas 3. You can wear a __________ on your back to fly anywhere easily in the future. A. jet pack B. flying car C. teleporter D. high-speed bicycle 4. In the future most people will travel __________ flying train. A. in B. at C. on D. at 5. Do you think we __________ driverless car in the future? A. use B. to use C. will use D. have used 6. This picture is Lan’s.That picture is __________ A. us B. ours C. our D. we 7. Nuclear energy can provide electricity for the world needs, but it is __________ A. cheap B. unlimited C. dangerous D. safe 8. Biogas helps solve the problem of indoor ___________. A. noise pollution B. air pollution C. water pollution D. soil pollution II.Use the correct form of words(1.0pt) 1. They … ( attend)………a meeting on energy sources at 2pm tomorrow ................................................ 2. They used to( play)…………………….football when they were young. ................................................ 3. She enjoys fishing on the (week) with her friends. ................................................ 4. It’s dangerous to swim in the (pollute) rivers.

Tính `(9,6 × 0,2 × 15,4 × 2 × 15,4 : 0,25)/(30,8 : 0,5 xx 7,7 : 0,125 xx 5 xx 6)`

Bổ sung câu 6 there is less water pollution F we use too much energy now

cứuuuuuuuuuuuuuuuuuuuuuuuuuuuuu ai làm xong cho 5* dù làm song sau vẫn cho 5* làm xong trước cho câu trả lời hay nhất