so 0,7 phan tram viet duoi dang phan so do la
3/4 duoc viet duoi dang ti so phan tram la:.................
3/4 = 0,75 = 70%
Học tốt ^ ^
Thanks
1)Viet cac so do sau duoi dang phan so thap phan co :
a) Ten don vi la met
57m, 454dm, 6789cm, 3dm 5cm 7mm
2) Viet so thap phan co :
a) Nam muoi lam don vi,nam phan muoi,nam phan tram,nam phan nghin
b) Hai nghin khong tram linh hai don vi,tam phan tram
c) Khong don vi,mot phan nghin
o9lo....,mnbhggggggggggggggggggggggggggg
biet troi ff khong
1) Viet cac so do sau duoi dang so thap phan co :
Ten don vi la met
57mm , 454dm , 6789cm , 3dm 5cm 7mm
2) Viet so thap phan co :
a. Nam muoi lam don vi , Nam phan muoi , nam phan tram , nam phan nghin
b. Hai nghin khong tram linh hai don vi , tam phan tram
c. Khong don vi , mot phan nghin
a phan so 5/8 duoc viet duoi dang ti so phan tram la ..................
hieu cua 2 so la 27 so thu nhat bang 2/3 so thu hai so thu nhat la.....................
a ) 62,5 %
cach lam : \(\frac{5}{8}=?\%\)
\(=>\frac{5}{8}=\frac{?}{100}\)
\(=>?=\frac{100\times5}{8}\)
\(=>?=\frac{500}{8}=62,5\)
vay : 5/8 = 62,5 %
b) hieu so phan cua hai so la :
3 -2 = 1 ( phan )
so thu nhat la :
27 : 1 x 2 = 54
so thu hai la :
54 + 27 = 81
dap so : so thu nhat 54
so thu hai 81
bo rang day du cua mot nguoi truong thanh la 32 chiec trong do co 12 cai rang ham hoi rang ham may phan tram tong so rang {viet duoi dang phan so toi gian}
viet phan so 19/5 duoi dang hon so, phan so thap phan, so thap phan va dung ki hieu phan tram
\(\frac{19}{5}=3\frac{4}{5}=\frac{475}{100}=475\%\)
\(\frac{19}{5}=3\frac{4}{5}=\frac{38}{10}=3,8=380\%\)
~Học tốt~
viet phan so 9/25 duoi dang hon so, phan so thap phan, so thap phan va dung ki hieu phan tram
\(\frac{9}{25}=0\frac{9}{25}=\frac{36}{100}=36\%\)
\(\frac{9}{25}\)(Phân số này ko thể viết dưới dạng hỗn số được bạn à)
\(\frac{9}{25}=\frac{36}{100}=0,36=36\%\)
~Học tốt~
viet so thap phan sau duoi dang ti so phan tram ; 1,68=
1,68 = 1,68 x 100 = 168 %
k mình nha mình đang âm nè
chuyen phan so sau sang phan so thap phan [phan so thap phan co mau so la 10,100,1000] sau do viet duoi dang thap phan
11/20/?/?=?
giup minh voi
\(\frac{11}{20}=\frac{11\cdot5}{20\cdot5}=\frac{55}{100}=0,55\)