Cách đánh đàn piano bài Happy New Year theo số Bạn nào biết chơi piano giúp mik nhé

Ai help mình 2 bài đọc với mai mình kt r

Làm đc bài nào thì làm, cả hai thì càng tốt

Tìm X: a) X :10+X x3,9=4,8 b)4,1: X x1,5=0,2

51. That's __________ ! I'm pleased that you work very hard (wonder) 52. We must follow the two __________ men carefully (know) 53. She looks _________ (wonder) 54. Computers should be made readily ___________ to teachers and pupils (access) 55. He was _________ at Bristol University five years ago (educate) 56. She also hopes her children will get a good __________ (educate) 57. Different children have different ___________ needs (educate) 58. Lucy _________ well with other children in the class (interact) 59. Our school encourages __________ teaching methods (interact) 60. That man died by ___________ (violent) 61. Wagner's _____________ showed that he had thought carefully about the issues (respond) 62. The film was a huge __________ success (commerce) 63. ____________ is difficult when two people don't speak the same language (communicate) 64. Traveling to the countryside is becoming ___________ popular nowadays (increase) 65. What was a town __________? (cry) 66. Please phone this member for more _________ (inform) 67. For further ___________ on the diet, write to us at this address (inform) 68. The next stage in the __________ television is the interactive TV (develop) Mọi người ghi ngắn gọn cũng được ạ, em cảm ơn ^^

-Vẽ anime nữ đội mũ nha!!!!!!!!!!!!!

Giúp mik với nhớ giải thích rõ nha

Tính chu vi hình tròn biết diện tích của hình tròn là 50,24cm2

Giúp em chỉ bài 9 thôi em cảm ơn

CMR: a^2+b^2+c^2+d^2>=(a+b)(c+d)