Các câu hỏi tương tự
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
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 2 phan so co mau bang 21 ,biet rang no lon hon -5/6 va nho hon -5/7
2nho hon so doi cua x va x nho hon hoac bang 4 voi x thuoc so nguyen
tim 2 phan so co mau bang 21 biet rang no lon hon -5/6 va nho hon -5/7
tim cac phan so toi gian co tu bang 4 lon hon 2/5 va nho hon 2/3
a.tim phan so co mau la 20 sao cho phan so do lon hon 4/13 va nho hon 5/13
b.tim phan so co mau bang 20 sao ho phanso do lon hon 5/7 va nho hon 5/6
(xEN\18chia het x va 6 nho hon hoac bang x)la
tim x,y thuoc Z biet
|y|.|2x+3|=8
|2x+4|+|y-3|=0
|x-1|+|2y+7|=3
|x+5|+|2y+6| nho hon hoac bang 0