1 phan 12 gio bang bao nhieu phut
Van toc cua may bay a 720km/gio.Hoivan toc cua may bay do bang bao nhieukm/phut,bao nhieu m/giay
420 giay =....... phut, 4 PHUT= .......... giay, 3g15phut =.......phut, 1/10 gio =.......giay,1/12gio = ....phut
1 h bang bao nhieu giay
1/6 gio la bang bao nhieu giay
Lop 4b co 3 to,thu nhat duoc tong cong duoc49kg giay vun.So giay cua to1 bang 4 lan so giay cua to hai.So giay cua to 3 bang 1/2 so giay to 1.Hoi moi to thu nhat duoc bao nhieu kg giay vun
Lop 4b co 3 to,thu nhat duoc tong cong duoc49kg giay vun.So giay cua to1 bang 4 lan so giay cua to hai.So giay cua to 3 bang 1 2 so giay to 1.Hoi moi to thu nhat duoc bao nhieu kg giay vun
39 phut bao nhieu giay
\(\dfrac{3}{2}\)dm215dm2= cm2
2 phut 15 giay= giay
4 gio 40 phut= phut
\(\dfrac{1}{2}\)gio 10 phut= giay