tim 2 phan so co mau bang 21 ,biet rang no lon hon -5/6 va nho hon -5/7
Tìm hai ps co mau bang 21, biet rang no lon hon \(\frac{-5}{6}\)va nho hon\(\frac{-5}{7}\)
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 phan so co tong bang 4 biet rang phan so do lon hon 13/17 va nho hon 13/15 {{ai giai dc to cho 1 tick. the do}
tim tong phan so lon hon -1/3 nho hon -1/4 va co mau bang 48
tim cac phan so toi gian co tu bang 4 lon hon 2/5 va nho hon 2/3
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 mot phan so lon hon \(\frac{2}{7}\)nhung nho hon \(\frac{3}{7}\)va co mau la 5