x + 909 - 1234= 1899
K
Khách
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11 tháng 4 2019
Số bé nhất có bốn chữ số khác nhau là : 1023
Số Long nghĩ ra là :
1899 + 1023 - 909 = 2013
Đ/s:....
16 tháng 2 2016
số bé nhất có bốn chữ số khác nhau là 1023
gọi số cần tìm là x , ta có:
x + 909 - 1023 = 1899
x + 909 = 1899 + 1023
x + 909 = 2922
x = 2922 - 909
x = 2013
Vậy số Long nghĩ là 2013.
3 tháng 8 2020
một khu vườn hình chữ nhật có chu vi 120 m và 1/5 chiều rộng bằng 1/7 chiều dài
a. tính diện tích khu vườn đó.
b, nếu người ta làm một lối đi xun g quanh vườn có bề rộng là 2,5 m thì diện tích đất sử dụng lối đi là bao nhiêu?
TH
23 tháng 4 2021
Question 41: he / born / 1899 / the family of a doctor
A. He was born in 1899 in the family of a doctor
B. He born in 1899 in the family of a doctor
C. It was said he born in 1899 in the family of a doctor
D. He was said to born in 1899 in the family of a doctor
Question 42: The last time I went to the museum was a year ago.
A. I have not been to the museum for a year.
B. A year ago, I often went to the museum.
C. My going to the museum lasted a year.
D. At last I went to the museum after a year.
Question 43: Although she has lived in London for three years, _______.
A. but she cannot speak English B. she cannot speak English
C. but cannot speak English D. and cannot speak English
Question 44: She likes reading a lot of funny stories.
A. She is reading a lot of funny stories. B. She reading a lot of funny stories.
C. She is interested in reading a lot of funny stories. D. She interested reading a lot of funny stories.
Question 45: After work, my mother rushes to work, and hurries home ________________________ on the table by the time my father gets home.
A. so as the dinner is ready B. for the dinner is ready
C. in order the dinner is ready D. so that the dinner is ready
Read the following passage and choose the letter A, B, C, or D corresponding to the correct word(s) for each of the blanks from 46 to 50.
In the 1960s the women's liberation movement (46) _____ suddenly into the public consciousness and quickly grew into the largest social movement in the history of the United States. Women's liberation movement was a continuation of the 19th-century women's rights movement. The movement's major (47) _____ has included not only legal, economic, and political gains but also has changed the ways in which people live, dress, dream of their future, and (48) ___ a living. About health, for example, many male physicians and hospital have made major improvements in the treatment of women; more and more women have become doctors and succeeded (49) _____ their medical research; and diseases such as breast cancer, which affects many women, now receive better funding and treatment, thanks to women's efforts. Feminists have insisted that violence against women become a political issue. The women's liberation movement has also made changes in education: curricula and (50) _____ have been written to promote equal opportunity for girls and women; more and more female students are admitted to universities and professional schools.
The women's liberation movement brought about a radical change in society although it took a decade for the movement to reach women's awareness.
Question 46: A. dated B. originated C. introduced D. burst
Question 47: A. achievement B. civilization C. status D. power
Question 48: A. put B. make C. get D. take
Question 49: A. in B. to C. for D. with
Question 50: A. textbooks B. novels C. picture books D. magazines
CM
29 tháng 8 2017
Hướng dẫn giải:
a.
x + 363 = 5959
x = 5959 – 363
x = 5596
b.
x – 909 = 5757
x = 5757 + 909
x = 6666
CM
22 tháng 12 2017
Đáp án cần chọn là: C
Ta thấy 909 và (−909) là hai số đối nhau.
Ta có (−909)+909=0.
NK
4
GK
14 tháng 4 2018
a) 4 x y + y + y + y = 3696
4 x ( y x 4 ) = 3696
y x 4 = 3696 : 4
y x 4 = 924
y = 924 : 4
y = 184.8
Vậy y = 184.8
14 tháng 4 2018
a)4 . y. 4=3696
16y=3696
y=231
b)14 . y-4.y-y=1899
y.10-y=1899
9y=1899
y=211
=> x + 909 = 1899+1234
=> x + 909 = 3133
=> x = 3133 - 909
=> x =2224
vậy x =2224
x+909-1234=1899
x+909 =1899+1234
x+909 =3133
x =3133-909
x =2324
mk nha