Biet a/b laphan so nho nhat sao cho khi chia a/b cho 18/35 va 8/15 deu duoc thuong la cac so tu nhien.Tong a+b la
biet \(\frac{a}{b}\)là phan so nho nhat sao cho khi chia a phan b cho 8 phan 35 va 8 phan 15 deu duoc thuong la cac so tu nhien tong a cong b la
biet a/b la phan so nho nhat sao cho khi chia a/b cho18/35va 8/15 deu duoc thuong la so tu nhien
biet a/b la P/S nho nhat sao cho khi chia a/b cho 18/35 va 8/18 deu duoc thuong la cac STN tong a+b la:...................
tim phan so a/b biet a/b chia cho 18/35 va 8/15 deu duoc thuong la so tu nhien. Tinh tong a+b = ?
cho phan \(\frac{a}{b}\)la phan so nho nhat sao cho khi chia \(\frac{a}{b}\)cho\(\frac{18}{35}\)va \(\frac{8}{15}\)dc thuong la cac so tu nhien .Tong a+b la bao nhieu
1a, cho tap hop A={x la so tu nhien/x=7k+3; k la so tu nhien ;x < hoac = 150}
- hay liet ke cac phan tu cua A tu nho den lon
-tinh tong cac phan tu cua A
b, tim thuong cua mot phep chia biet rang neu them 15 vao so bi chia va them 5 vao so chia thi thuong va so du khong thay doi
c, tim 1so co 2 chu so sao cho
[(a.10+b):b=3b
tim phan so toi gian a/b nho nhat khac 0 sao cho khi chia a/b cho phan so 8/15,18/35 deu duoc ket qua la cac so nguyen
Cho a la so tu nhien , biet a chia 5 thi du 1 , khi chia cho bay thi du 5 . Vay so tu nhien a nho nhat la ....