thực hiện phép tính a, 11 -12 +13 - 14 +..... +49 -50 b, 101- 102 +(-103) - 104 - (-105) - ..... - (-119) -120 c, 2 mũ 7 : 2 mũ 2 + 5 mũ 4 : 5 mũ 3 . 2 mũ 4 - 3 . 2 mũ 5 lm giúp mik

Một hình chữ nhật có diện tích 160m2 biết rằng 2 lần chiều dài thì bằng 2 lần chiều rộng . Tính chu vi hình chữ nhật đó

Mọi ng ơi, trưa r mà lại làm phiền mn. Giúp em câu này vs ạ

II. Put the word into the correct column according the underlined part. camera bird learn first final culture natural heard sir girl signal birthday again word world yesterday neighbor turn third assistant 1./ə/ 2. /ɜː/

If your hands are dirty, you can wash them with this/ Answer: s_ _ _

Vẽ đậu mầm ngủ Cấm chép Vẽ app, ko paint Có màu

Cho tập U = { x ∈ N | x chia hết cho 3 } Trong cá số 3; 5; 6; 7; 0 số nào thuộc và sô nào không thuộc tập U

Trưa rồi nên đặt cko mấy bản thức :)) Vẽ anime/ chibi - Full màu và line luôn nha ^^

Vẽ semi, toàn thân+ Anime Full màu, digi Bên dưới là... '-'

5) It was nosy.The children............. a party A) were having B) had C) had had D) was having ________________________--- There was a time when letter.............................really a means of comunication A) were B) was C) had been D) has been ______________________ 7) at last the bus came.WE ..........................for half an hour A) waited B) was waiting C) have waited D) had been waiting __________________ Everyone.............................when he......................to the party A) were dancing/came B) danced/came C) was dancing/came D) danced /was coming ________________________________ I...................difficult Math puzzles since I..........a child A) solved/have been B) had solved /was C) have solved/was D) solved/was ______________________ My mother .................................as a shop assistant when she ....................a student A) use to work/was B) used to worked/was C) use to worked/was D) used to work/was GIẢI THÍCH CHI TIẾT NHÉ