a, tim cac so nguyen n biet -3 nho hon hoac bang n va nho hon 5.
b, tinh tong cac so nguyen tim duoc o cau a.
tim cac so nguyen
a < hoac = -5
Tim so nguyen x, biet:
( x -5) .(x -10) lon hon hoac bang 0
Tim tong cac so nguyen x biet -10<hoac bang x < 10
1)chung to rang so nguyen to p;p>5 khi chia cho 6 chi co the du 1 hoac 5
2)chung minh rang neu p va p+2 la so nguyen to lon hon 3 thi p+1 la mot hop so
cac an giai giup minh minh dang can gap
ai giai nhanh minh tick cho
tim cac so nguyen x,y thoa man:
a, /x-30/+/y+40/=0
b,/x/+/y/ < hoac = 4
Tim phan so lon nhat,khi chia cac phan so 24/7 va 18/11 cho no ta deu duoc cac thuong la so nguyen
tim tat ca cac bo 3 so nguyen to lon hon 3 sao cho :a.b.c<a.b+b.c+c.a
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 .