tỉ lệ 2 bạn tâm và mai đóng góp:
1/4+3/10=11/20
lan góp: 1-11/20=9/20
lan góp nhiều hơn mai:
9/20-3/10=3/20
3/20 tương ứng với 3000 đồng, vậy số tiền mua quả bóng là:
3000x20:3= 20000 đồng
tâm góp: 20000:4=5000 đ
maigóp: 20000x3:10=6000 đ
lan góp: 6000+3000=9000 đ
ba bạn tâm mai va lan cung gop tien mua mot qua bong ban tam gop 1/4 sp tien ban mai gop 3/10 so tien ban lan gop nhieu hon ban mai la 3000 dong tinh gia tien mua cua qua bong do
3 ban:Tam ,Mai va Lan cung gop tien mua 1 qua bong.Ban Tam gop 1\4 so tien,ban Mai gop 3\10 so tien ban Lan gop nhieu hon Mai la 3000 dong. Tinh gia tien qua bong
Ba ban Tam , Mai va Lan cung gop so tien mua mot qua bong . Tam gop 1/4 so tien , Mai gop 3/10 so tien , Lan gop hon Mai 3000 . Tinh so tien qua bong
ba ban :Hoa ,Mai ,Lan gop tien mua bong . Mai gop 1/4 so tien Hoa gop 3/10 so tien . Lan gop nhieu hon Hoa 3000 dong. tinh so tien mua bong
4ban hoa,hong,lan,hai cung gop tien mua bong so tien hoa gop=1\2so tien 3 ban kia gop so tien hong gop=1\3 so tien3 ban kia gop so tien lan gop =so tien 3 ban kia gop hai gop 13000dong tinh tien qua bong
ba ban An,Binh,Cuong gop tien mua mot qua bong . An gop 1/4 so tien,Binh gop nhieu hon An 1/12 so tien. tinh ra An gop it hon Cuong 10 000 dong . hoi qua bong do co gia bao nhieu tien va moi ban gop bao nhieu tien ?
3 ban gop tien mua mot qua bong An gop 1/4 so tien Binh gop 3/10 so tien Dung gop nhieu hon Binh 3000dong.
Hoi moi ban gop duoc bao nhieu tien?
Bon ban chung tien mua mot qua bong. Hai gop mot nua so tien mua bong. So tien cua Binh gop ban 1/3 toan bo so tien gop cua cac ban khac. So tien cua Giang gop bang 1/4 so tien cua cac ban khac. Duong gop 2500 dong thi vua du so tien mua bong . Hoi bon ban da mua qua bong bao nhieu dong ?
Ba ban gop tien mua mot qua bong . Anh gop 1/4 so tien . Binh gop 3/10 so tien . Dung gop nhieu hon binh 3000 dong . Tinh so tien cua moi nguoi da gop
