hai so tu nhien lon hon 5 co tong bang 14 va uoc chung lon nhat bang 2
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .
a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .
b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .
c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .
d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .
e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .
f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18 va ko vuot qua 100 bang 2 cach .
Ai lam nhanh minh se tick cho nha ,minh can gap .
tim 2 so tu nhien lon hon 500 co tong bang 2005 va uoc chung lon nhat bng 401. tim so lon, so be
Viet phan so \(\frac{2}{3}\) thanh tich cua hai phan so co mau so bang nhau va lon hon 4 va nho hon 8, co tu so nho hon 8. Ket qua
viet tap hop B cac so tu nhien chan lon hon 2 va nho hon 10 bang hai cach.
co hai so tu nhien nao tong bang 1999 va tich bang 5479 khong
co hai so tu nhien nao hieu bang 98 va tich bang 2002 khong
2 so tu nhien a va b co UCLN(a,b)=10 va BCNN(a,b)=400 khi do tich a.b bang bao nhieu
Hai so tu nhien a va b chia cho m co cung so du , a lon hon hoac bang b . chung to rang a- b:m
hai so tu nhien a va b co uoc chung lon nhat bang 6 so uoc chung cua 2 so tu nhien a va b la