a, 2nhan16>hoac bang 2 mu x nhan 74
b, 25 nho hon 5mu x nhan 5 mu 2 nho hon hoac bang 125
Cho A = /x-1/ + / x-11/
Tinh A khi 1 nho hon hoac bang x nho hon hoac bang 11
1) Tim cac so tu nhien biet 1950 nho hon hoac bang X nho hon hoac bang 2015
va X chia cho 4 du 1 ; chiacho 25 du 3
tim x biet:|x| nho hon hoac bang 5
Tim x,y
|x+45|+|-2y+5| nho hon hoac bang 0
cho E là tap hop cac so tu nhien lon hon 13 nho hon hoac bang 21 theo 2 cách
Tim x,y
e)|x+45|+|-2y+5|nho hon hoac bang 0
Tap hop c cac so tu nhiên lon hon hoac bang 35 nho hon hoac bang 28
tinh tong cac so nguyen a sao cho:
-50<a<hoac bang 50
-100 nho hon hoac bang a va a nho hon 100
