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PN
10
NN
13 tháng 3 2022
a) 4+2/5=22/5
b) 5/4+2=13/4
c) 3+3/2=9/2
d) 3/4-1/8=5/8
e) 17/15-7/10=13/30
g) 25/12-15/8=5/24
h) 5-4/3=11/3
i)15/4-3=3/4
13 tháng 3 2022
a)\(\dfrac{4}{1}+\dfrac{2}{5}=\dfrac{20}{5}+\dfrac{2}{5}=\dfrac{22}{5}\)
b)\(\dfrac{5}{4}+\dfrac{2}{1}=\dfrac{5}{4}+\dfrac{8}{4}=\dfrac{13}{4}\)
c)\(\dfrac{3}{1}+\dfrac{3}{2}=\dfrac{6}{2}+\dfrac{3}{2}=\dfrac{9}{2}\)
d)\(\dfrac{3}{4}-\dfrac{1}{8}=\dfrac{6}{8}-\dfrac{1}{8}=\dfrac{5}{8}\)
e)\(\dfrac{17}{15}-\dfrac{7}{10}=\dfrac{34}{30}-\dfrac{21}{30}=\dfrac{13}{30}\)
g)\(\dfrac{25}{12}-\dfrac{15}{8}=\dfrac{50}{24}-\dfrac{45}{24}=\dfrac{5}{24}\)
h)\(\dfrac{5}{1}-\dfrac{4}{3}=\dfrac{15}{3}-\dfrac{4}{3}=\dfrac{11}{3}\)
i)\(\dfrac{15}{4}-\dfrac{3}{1}=\dfrac{15}{4}-\dfrac{12}{4}=\dfrac{3}{4}\)
NH
7
DT
Đỗ Thanh Hải
CTVVIP
7 tháng 8 2021
|
23 tháng 4 2020
1. My father works at Nhiet Doi Hospital.
2. What does your mother look ?
3. What do you do on Sundays ?
4. I cycled and visited my grandparents yesterday.
5.Do you milk?
6. What time is this now?
7. It's a quarter to nine.
8. What time do you eat breakfast?
9. I live in Quang Nam Province.
10. Vietnam has 63 cities.
11 tháng 10 2021
1.My dad works as a doctor at Nhiet Doi hospital
2.What does your mother look ?
3.What do you do on Sundays ?
4.Yesterday I rode my bike and went visit my grandparents.
5.Do you milk ?
6.What time is it now ?
7.It is 9 o clock and 15 minute away
8.What time do you have breakfast ?
9.I live in Nam Dinh province
10.Viet Nam has 63 province
DM
5
4 tháng 4 2018
Drink :
- water , apple juice , orange juice , cocacola , soda , plum juice ,
Subjects :
- music , art , vietnamese , pe , it , english , history , math , science , geographic , technology , morality
Jobs:
- teacher , doctor , dentist , nurse , engineer , fireman , driver , student , worker , police
Mk chỉ nhớ đc tầng này thôi
4 tháng 4 2018
Drink : Coffe, soda, orange juice, milk, water, lemon juice, wine, beer, cocktail, milkshake, hot chocolate, tea, champagne, smoothies, iced tea, apple squash, grape squash,...
Subjects : Math, Geography, Physic, Literature, Chemistry, History, Civic Education, Biology, Information Technology, Fine Art, English, Physical Education, Music, Social Science, Psychology,...
Jobs : Doctor, actress, actor, dentist, nurse, driver, dancer, singer, teacher, worker, office worker, artist, waiter, farmer, businessman, tailor,...
P
6
4/5
9/15+2/15+1/15=12/15=4/5.