Tính giá trị của biểu thức
A=(2+1/5-2/3)+ (3-4/5+ 2/3)-(1+7/5-3/5)
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.\(\dfrac{1}{5}\) +( \(\dfrac{-3}{2}\) )^2
giúp em
CAN YOU SOLVE THIS
IF 2 X 2 = 42
2 X 4 = 86
6 X 3 = 1812
4 X 5 = 2016
7 X 2 = ???
Instructions: Label the photos with eight of the words below.
1. ?
2. ?
3. ?
4. ?
5. ?
6. ?
7. ?
8. ?
Đặt câu hỏi với how many và trả lời 1. Clock / living room / 1 2. Student / classroom / 48 3. Couch / house / 3 4. Person / family / 5 5. Lamp / room / 1 6. Bench / classroom / 24 7. Bookshelf / room / 2 8. teacher /school /50
match one verbs in a with words /phrases in b. write the answer column
a. b. an swers
1. take a. funds 1.........................
2. care b. flowers 2.........................
3. fix c.a bike 3..........................
4. cook d. a room 4...............
5.fill e.meals 5.........................
6. raise f. in a from 6.......................
7. tidy g. meals 7..................
8. plant h.for old people 8....................
Đặt câu với các từ:
1. Action film:
2. Adventure:
3. Announce:
4. Audence:
5. Cartoon:
6. Channel:
7. Character:
8. Chat show:
9. Clumsy:
10. Comedy:
Em hãy viết danh từ số nhiều của những từ sau
1.Factory 2.Foot 3.Tomato 4. Bookshelf 5.Glass
1........................ 2............................ 3................................. 4............................. 5..........................