Các câu hỏi tương tự
trung binh cong cua hai phan so bang 2 va 4/5 phan so thu hai hon phan so thu nhat la 1 va 3/4 tim phan so thu hai
Tim ti so phan tram
1,7 va 60
3 3/4 va 3 4/7
18 va 4/5
tim mot phan so bang 3/4 va biet neu lay ti so cua phan so do cong voi 5 thi duoc phan so bang phan so 4/5?
cho hai phan so 5/8 va 4/5 hay tim phan so a/b sao cho khi dem phan so 5/8 +voi phan so a/b va dem phan so 4/5-di phan so a/b thi ta duoc 2 phan so co ti so la 2
tim ti so phan tram cua 2 3/4 va 3 4/7
tinh 34% cua 27%
Tim mot so biet 35% cua no la 49
Viet so hoac ti so phan tram thich hop
36,96va 42 Ti so phan tram .....
..... va 19 ti so phan tram 27%
324 va ........... ti so phan tram 48%
tong cua ba so la 7/5.hieu cua phan so thu nhat va phan so thu hai la1/3.hieu cua phan so thu hai va phan so thu ba la 1/3.tim phan so thu nhat va phan so thu 3
Ti so phan tram cua A va B la 80phan trăm, ti so cua B va C la 87,5phan trăm.tim ti so phan tram cua A va C?
Ti so phan tram cua 20,7 va 45 la:
Ti so phan tram cua 60,84 va 26 la: