Các câu hỏi tương tự
tim so tu nhien a,b,c sao cho \(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{4}{5}\)
tim tat ca cac so tu nhien a, b, c khac 0 va khac nhau sao cho:
\(\frac{1}{a}\) +\(\frac{1}{b}\) +\(\frac{1}{c}\) =1
tim cac so tu nhien a,b(a khac 0) thoa man:
\(\frac{1}{a}-\frac{b}{6}=\frac{1}{3}\)
AI GIAI DUOC MINH CHO 30 TICK
tim phan so toi gian nho nhat co tu va mau la cac so tu nhien sao cho khi nhan phan so lan luot voi moi so \(\frac{10}{7};\frac{5}{6};\frac{15}{9}\)thi moi tich tim duoc la so tu nhien
Tim cac bo gom 3 chu so tu nhien a,b,c khac 0 sao cho 1/a+1/b+1/c=4/5
1. Cho Phan so B=\(\frac{n}{n-4}\)(voi n \(\in\)Z)
a. Tim So nguyen n de B la Phan so
b. Tim so Nguyen n de B co Gia tri la so tu nhien
2. Tim cac so nguyen x, y biet
a.\(\frac{x}{-3}=\frac{4}{y}\)
b. \(\frac{2}{x}=\frac{y}{-9}\)
tim so tu nhien n sao cho cac phan so sau co gia tri la so tu nhien:
\(\frac{7}{n-1}\)
a)Tim cac so tu nhien a,b,c nho nhat khac 0 sao cho :16.a=25.b=30.c
B)tim so tu nhien n<30 de 3n+4 va 5n + 1 co uoc chung khac 1
Tim x thuoc N sao cho \(\frac{2xx+5}{xx+1}\)(2x+5\x+1) la so tu nhien
CAC BAN GIUP MINH NHA thank you so much