chọn chủ đề là toán mà đăng bạn
Đúng 0
Bình luận (1)
Luyện tập tổng hợp
Các câu hỏi tương tự
Tính
A=\(\dfrac{3^6\cdot45^4-15^{13}\cdot\left(\dfrac{1}{5}\right)^9}{27^4\cdot25^3+45^6}\)
rút gọn phân số
\(\frac{\left(-5.\right).40.4^3}{135.\left(-2\right)^{14}.\left(-100\right)^0}\)
bài 1: Tính a) dfrac{-5}{7} . dfrac{2}{11} + dfrac{-5}{7} . dfrac{9}{11} + 1dfrac{5}{7}b) dfrac{-3}{14} +dfrac{5}{8} -dfrac{1}{2}c) ( dfrac{1}{4} +dfrac{-5}{13})+( dfrac{2}{11} + dfrac{-8}{13} + dfrac{3}{4} )d) ( dfrac{21}{31} + dfrac{-16}{7} )+( dfrac{44}{53} +dfrac{10}{31} )+dfrac{9}{53}e) dfrac{1}{9} - dfrac{5}{6} -4___________ dfrac{7}{12} - dfrac{1}{36} -10giúp em
Đọc tiếp
bài 1: Tính
a) \(\dfrac{-5}{7}\) . \(\dfrac{2}{11}\) + \(\dfrac{-5}{7}\) . \(\dfrac{9}{11}\) + 1\(\dfrac{5}{7}\)
b) \(\dfrac{-3}{14}\) +\(\dfrac{5}{8}\) -\(\dfrac{1}{2}\)
c) ( \(\dfrac{1}{4}\) +\(\dfrac{-5}{13}\))+( \(\dfrac{2}{11}\) + \(\dfrac{-8}{13}\) + \(\dfrac{3}{4}\) )
d) ( \(\dfrac{21}{31}\) + \(\dfrac{-16}{7}\) )+( \(\dfrac{44}{53}\) +\(\dfrac{10}{31}\) )+\(\dfrac{9}{53}\)
e) \(\dfrac{1}{9}\) - \(\dfrac{5}{6}\) -4
___________
\(\dfrac{7}{12}\) - \(\dfrac{1}{36}\) -10
giúp em
bài 1: thực hiện phép tính:a) dfrac{-5}{12} . dfrac{4}{19} +dfrac{-7}{12} . dfrac{4}{19} -dfrac{40}{57}b) dfrac{1}{3} .dfrac{4}{5} +dfrac{1}{3}.1.dfrac{1}{5} +( dfrac{-3}{2} )^2giúp em
Đọc tiếp
bài 1: thực hiện phép tính:
a) \(\dfrac{-5}{12}\) . \(\dfrac{4}{19}\) +\(\dfrac{-7}{12}\) . \(\dfrac{4}{19}\) -\(\dfrac{40}{57}\)
b) \(\dfrac{1}{3}\) .\(\dfrac{4}{5}\) +\(\dfrac{1}{3}\).1.\(\dfrac{1}{5}\) +( \(\dfrac{-3}{2}\) )^2
giúp em
Bài 1: thực hiện phép tính:
c) ( \(\dfrac{-1}{2}\) )^3 : 1\(\dfrac{3}{8}\)-25%. (-6\(\dfrac{2}{11}\) )
giúp em
IX.
1.. the toystore is to the left of the restaurant. RIGHT
2. the hospital is behid the museum . FRONT
3. there is a small garden in my school . HAS
4. david's house isn't far from the station . NEAR
5. the bookstore is to the left of the toystore and to the right of the police station . BETWEEN
Gạch bỏ đi phương án sai trong 2 phương án được đưa ra bằng cách click vào từ sai đó. Để bỏ chọn, click vào từ đó một lần nữa.1.Would you like some any tea? 2.There is some any bread in the fridge. 3.Is there some any milk in the carton? 4.I don’t have some any cats. 5.Are there some any cakes left? 6.Is there some any cheese? 7.Would you like some any coffee? 8.She has some any money in the bag. 9.There are some any pens on the table. 10.I’d like some any oranges
Đọc tiếp
Gạch bỏ đi phương án sai trong 2 phương án được đưa ra bằng cách click vào từ sai đó. Để bỏ chọn, click vào từ đó một lần nữa.1.Would you like some any tea? 2.There is some any bread in the fridge. 3.Is there some any milk in the carton? 4.I don’t have some any cats. 5.Are there some any cakes left? 6.Is there some any cheese? 7.Would you like some any coffee? 8.She has some any money in the bag. 9.There are some any pens on the table. 10.I’d like some any oranges
1, Tìm x;y \(\in Z\)
a, \(xy-x-y=2\)
b, \(3xy+x+y=1\)
c,\(x\left(y-1\right)=y+2\)
d, \(\frac{1}{x}+\frac{1}{y}=\frac{1}{4}\left(x;y\in N\right)\)
3 k lun
1._ _ _ _ is your birthday ?
2.He want to _ _ a worker .
3.Turn right . It's _ _ your left.
4.It's _ _ _ _ in autumn.
5. How far is it _ _ _ _ Vinh to Ha Noi?
6.We _ _ _ going to play hide and seek.
7._ _ _ you visit Tuan Chau island? Yes, I did.
8.What do you usually do _ _ winter