Hay cho biet co bao nhieu so co 3 chu so ma trong moi so do co mat chu so 0
cha hon con 30 tuoi. sau 4 nam tuoi gap 4 lan tuoi con.tinh tuoi cua moi nguoi (chu y lam theo dang cua lop 3)
(nho cac bn o cong dong nha mik con ngay chieu nay)
co bao nhieu so co 3 chu so ma moi so co mat chu so 0
bai 1 Ba doi may san dat lam 3 khoi luong cong viec nhu nhau doi thu nhat hoan thanh cong viec trong 2 ngay , doi thu 2 hoan thanh cong viec trong 3 ngay va doi thu 3 hoan thanh cong viec trong 4 ngay . hoi moi doi co bao nhieu may ( co cung nang suat ), biet so may thu 2 nhieu hon doi may thu 3 la 3 may
thanks nhiu nha
Tong cua mot so tu nhien va mot so thap phan la 543,8.Khi thuc hien phep cong lan da quaen viet dau phay cua so thap phan nen co ket qua la 812. Tim 2 so do
mot hinh chu nhat co dien tich hinh chu nhat la 40 cm . chieu dai la 12 cm . tinh dien tich hinh chu nhat do
cam on may ban
Tich cac so tu 1 den 50 co bao nhieu chu so 0 o tan cung
cho 2 so tu nhien co 2 chu so. biet so lon hon so be 16 don vi. ghep 2 so do ben canh nhau ta duoc 2 so co 4 chu so co tong la 5454 . tim so lon
tim 5 tieng dau la ''nhan '' [''nhan'' co nghia la nguoi ] va dat cau
ai lam dung toi se tick !