\(40\%=\frac{40}{100}=\frac{40:20}{100:20}=\frac{2}{5}\)
Ta có : \(\frac{40}{100}=\frac{40:20}{100:20}=\frac{2}{5}\)
Vậy 40 % bằng 2/5
cho hai so biet so be bang 40% tong 2 so hoi so be bang may phan tram so lon
1 to mac vay + 2 to mac vay bang may to mac vay
tong cua tu so va mau so cua mot phan so bang 92, hieu giua chung bang 22 .vay caca phan so do la
hai so co hieu bang 19,5 . biet 75 phan tram so thu nhat bang 60 phan tram so thu hai . vay so thu hai la
30 phan tram bang may phan may
Biet 2/3 so trau bang 3/7 so bo va bang 5/8 so ngua. Hoi so trau bang may phan so ngua? So ngua bang may phan so bo?
va23m 18m =23m + 18/ m bang may vay
co bao nhieu phan socotong cua tu so va mau so bang 2015
Tra loi : Co ...........phan so nhu vay
2 so thap phan co thuong va hieu deu bang 2.25 vay so be la
