lay 2013-1000+1=1014
=>Vay co tat ca 1014 so co 4 chu so nho hon 2014
lay 2013-1000+1=1014
=>Vay co tat ca 1014 so co 4 chu so nho hon 2014
hay cho biet co tat ca bao nhieu so co 4 chu so nho hon 2015.co tat ca bao.......so thoa man de bai?
hay cho biet co tat ca bao nhieu so co ba chu so ma trong moi so do co nhieu hon mot chu so 8?co tat ca bao nhieu so
hay cho biet co tat ca bao nhieu so co 3 chu so ma cac chu so cua nhung so do deu lon hon 4
co so cho bang so ga.Biet so chan cho nhieu hon so chan ga la 10 cai.Hoi co bao nhieu con ca hai loai va co tat ca bao nhieu cai chan?
viet tat ca cac so co 4 chu so cua moi so do bang 4.Co tat ca bao nhieu so.goi y lam bang bai giai
hay cho biet co tat ca bao nhieu so co 4 chu so ma tong 4 chu so cua moi so do bang 4
hay cho biet co tat ca bao nhieu so co 4 chu so ma tong 4 chu so cua moi so do bang 4
hay cho biet co tat ca bao nhieu so co 4 chu so ma tong 4 chu ma tong 4 chu cua moi so do
bai 12:Mot vuon co so cay buoi bang 1phan2 cay cam,biet so cay cam bang so chan lon nhat co 3 chu so.Hoivuon do co tat ca bao nhieu cay buoi va cam?
bai 13:tim tich cua so nho nhatco ba chu so khac nhau voi so chan lon nhat co mot chu so.
bai 14:tim mot so,biet rang giam so do di 5 lan sau do them 10 don vi thi duoc so le nho nhat co hai chu so.
bai 15:tim mot so biet rang neu gap so do len 4 lan,duoc bao nhieu lai gap len 6 lan thi duoc 360.