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fghjkoltetuy
2 năm trước
cho các số thục x,y,x ≥0 và thỏa mãn x√ (11-2y^2) +y √(6-10z^2) +z √(10-5x^2)=8 hãy tính giá trị biểu thức P=x^2+2y^2+5z^2
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Ex1: turn into passive voice. (Causative form) 1) Lan has a friend type of her letter ->............................................... 2) they have us eat all cakes ->................................... 3) Lan has her teacher correct this exercise ->..................................... 4) I made my sister take to school ->....................................... 5) we make our teacher give us the exam ->...................................... Ex2: turn into passive voice.( Verbs of opinion) 1) people say that he is a famous doctor ->.................................. 2) we believe that he has special knowledge ->......................................... 3) people believe hệ has worked for the president ->.......................... 4) we know that you were in town last Sunday ->........................... 5) people know that she is a teacher ->............................. (Giúp mình nhanh với ạ mình đang cần gấp)

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