Write 12 months of the year, 100 numbers (first) and days of the week
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The first 100 positive even numbers are 2; 4; 6;...; 200. Their sum is \(\dfrac{\left(200+2\right).100}{2}=10100\).
The first 100 positive odd numbers are 1; 3; 5;...; 199. Their sum is \(\dfrac{\left(199+1\right).100}{2}=10000\)
The difference between two sums is \(10100-10000=100\)
Điền từ thích hợp vào ô trống để hoàn thành câu 1, Friday is the ......sixth.......... day of the week. 2,...............Tuesday..................is the third day of the week. 3,.....Thursday............. is the fifth day. 4, The fourth day of the week is.......Wednesday.......... 5, The.......first....... day of the week is Monday. 6, Friday is between Thursday and......Saturday.............. 7,Sunday is the.............finally.......... day of the week. 8,.........January............ is the first month of the year. 9, October comes between September and......November........... 10, The.......eleventh......... month of the year is November. 11,The month after July is...........August............ 12,.......December.......... comes after November. 13,..........January......... comes before February and after December.
1 significantly
2 arrival
3 geological
4 diversity
5 recognitive
The first number is: (27+3) : 2= 15
The third number is: 27- 15=12
The second number is:15x4=60
Average of three numbers is: (15+12+60):3=29
Answer:29
1. The Vietnamese clean their houses, repaint the walls and buy new clothes.
2. One or two days before the festival
3. Every members of the family
4. Yes, they do.
1.Vietnamese people clean their houses and repaint the walls a few weeks before the New Year
Months: January, February, March, April, May, June, July, August, September, October, November, December.
Numbers: first, second, third, forth, fifth, sixth, seventh, eighth, nineth, tenth, eleventh, twelveth, thirdteenth, forteenth,......
Days of the week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Lỗi sai: forth\(_{\rightarrow}\)fourth
nineth\(\rightarrow\)ninth
thirdteenth\(\rightarrow\)thirteenth
forteenth\(\rightarrow\)fourteenth