Các câu hỏi tương tự
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
tim cac phan so lon hon 7/10 va nho hon3/4 ma co mau la 60
tim ca phan so co mau la 11 va lon hon \(\frac{2}{11}\)nhung nho hon \(\frac{49}{77}\)
Co bao nhieu so thap phan co 2 chu so ma phan thap phan lon hon 24 nho hon 25
hay cho biet co bao nhieu so thap phan co 2 chu so o phan thap phan ma lon hon24 va nho hon 25
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
Tim tat ca cac phan so co mau la 20, lon hon 3/13 va nho hon 5/13
tim tat ca cac phan so co mau so la 12 lon hon -2/3 va nho hon -1/4.
cho tap hop A la tap hop cac so tu nhien chan lon hon 20 va be hon 30 B la tap hop lon hon 2 va be hon 33 so phan tu thuoc tap hop C thuoc B ma khong thuoc A