tai sao lai la 1 toi nhap mot co dung dau ha ban
tai sao lai la 1 toi nhap mot co dung dau ha ban
tinh tong cac phan so toi gian lon hon 3 nhung nho hon 4 co mau so bang 7 ket qua la..............
tinh tong cac phan so toi gian khong la so tu nhien co mau 11 lon hon 12 va nho hon 35
giup toi voi
Co bao nheu phan so 7 phan 8 nhung nho hon 9 phan 10
A ) Co mau la 40
B ) Co mau la 80
Câu 1:so phan tu cua tap hop cac so tu nhien chan lon hon 3 va nho hon 2000
Câu 2:so phan tu cua tap hop cac so tu nhien chan khong vuot qua 30 la
Câu 3 co bao nhieu so tu nhien co hai chu so trong do chu so hang chuc nho hon chu so hang don vi la 5 ?
Câu 4:so phan tu cua tap hop cac so tu nhien khong vuot qua 20 la
Câu 5:cho tap hop M={5;8;9;1986;2010}co bao nhieu tap hop con cua M gpm nhung so chan?
tim cac phan so toi gian co tu bang 4 lon hon 2/5 va nho hon 2/3
cho A la tap hop cac so tu nhien le nho hon 54 va khog lon hon 1997 co bao nhieu phan tu
cho phan so co mau so la 20 , lon hon 4/13 va nho hon 5/13 . Tu so cua phan so da cho la 7 . Tim phan so do
GIUP MIH NHA
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
Ha1y tim tat ca cac phan so sao cho:
c. co tu la 1000 ,lon hon \(\frac{1}{9}\)nhung nho hon \(\frac{1}{8}\).Co tat ca bao nhieu phan so nhu vay
d.Lon hon \(\frac{5}{7}\)va nhỏ hơn\(\frac{5}{6}\)