Tính bằng cách hợp lí: a) ($\frac{-40}{51}$ . 0,32 . $\frac{17}{20}$) : $\frac{64}{75}$) b) -1 $\frac{5}{7}$ . 15 + $\frac{2}{7}$ . (-15) + (-105) . ($\frac{2}{7}$-$\frac{4}{5}$+$\frac{1}{7}$)

Vẽ mầm kute Em lỡ bấn xóa hết chỗ vùng màu đấy làm sao để làm lại đc ạ , chỉ em với ạ .

Đặc điểm cây xương rồng bát tiên ( iem mới mua về nhưng mấy ngày nó héo nuôn, bruhhhhh :(( )

giúp mình vs ạ <3 VI. Fill in each numbered blank with one suitable word or phrase. In American high schools, students move from one class to (1) study each subject with a different teacher and a different group of classmates. Many high schools have a tracking system, (2) ________groups students according (3) _______academic ability and motivation. (4)___, more capable and hard - working students take more difficult courses. (5) on the subject, classes may be offered have at two, three, or even four different ability levels. High school students have (6) very busy day. They have to take five or six academic subjects (7) physical education. They also have to do homework, (8) research in the school library, and take part in activities such as the school band, school newspaper, athletic, drama or clubs. However, these school activities are worth (9) because they help students find friends with similar interests, develop their talents, gain (10) self – confidence and even discover their career goals. 1. A. another B. on another C. others D. each other 2. A. that B. which C. whom D. why 3. A. on B.for C. in D. to 4. A. Because B. If C. Although D. So 5. A. Talking B. Agreeing C. Depending D. Objecting 6. A. a B. an C. the D. no article 7. A. as B. as well C. as well as D. so as to 8. A. do B. make C. discover D. care 9. A. do. B. to do C. doing D.done 10. A. more greater B. the more greater C. much the greater D. greater

Tổng 2 số là 392. Hiệu hai số bằng 1/3 số bé. Tìm hai số

viết lại câu 1, he will let us get up late. -> We 2, my father has already bought food here -> food 3, they understand that we drew well -> It is 4, He hasn't driven a car since i left -> He 5, People say that she drank coffee here -> she 6, Noone listens to music at night -> Music 7, when did she write emails? -> how long 8, He made her sweep the floor -> she 9, people know that we are lazy ->we 10, She doesn't speak EL well, she fails thí exam -> if she trong mấy câu này có câu bị động đặc biệt ạ

A.Trong ................. canxi oxit có chứa.............. oxi. b)...................... nước được tạo thành bởi ................ oxi và...................... hidro. c)Trong nước biển có chứa các Natri Clorua(NaCl) ĐIỀN VÀO CÁC CÂU TRÊN TỪ THÍCH HỢP(PHÂN TỬ, NGUYÊN TỬ)

Ghi calli một chữ bất kì ik mng Tone j cx đc Nhớ phải đẹp và app nhá Trang trí nx Kh thì pp nhé

Làm giúp emm nhanh với ạ, 15p nữa em nộp rồii

Giải giúp mình với ạ mình cảm ơn ^^^