12122212121121212121212121212121212121212121212121212+232323232323232323232323232323232323232323*2/16/854235
( duoi dang so thap phan)
so 2012 duoc viet duoi dang phan so nao
9/25 viet duoi dang phan so toi ian la
viet cac so tu nhien 5 ; 10 ; 117 ; 2015 ; 2016 duoi dang phan so co mau so bang 1
phan so 4\5 viet duoi dang thap phan
a 4,5 b 0,8 c 8,0 d 0,45
Tinh:17/25*11/28+34/50*17/28=....
(Viet duoi dang phan so toi gian)
hung co 15 vien bi xanh , 8 vien bi vang va 12 vien bi do . Em hay viet phan so chi so phan cac vien bi mau xanh trong so bi hung co .[ phan so duoc viet duoi dang toi gian ] lam on giai ho minh nhe . ai giai dung minh like cho
viet thuong cua moi phep chia sau duoi dang phan so 2001 chia 2008 , a chia 7 , b chia a cong c , c chia [a cong b]
1.Viet moi so tu nhien 2,4,13,9 duoi dang phan so
a,mau so la 1
b,mau so la 5
c,mau so la 7
2.Cho cac so 0,3,7,11.Hoi co the lap duoc bao nhieu phan so co tu so va mau so tu cac so da cho
giup minh voi