Tim 2 so co tich bang 6 tong bang 5
Tinh x:4+3=7
Tnh 18_6÷x=12
tim hai chu so co tong 2 chu so bang 6 va hieu hai chu so cung bang 6
tong cua so thu nhat va so thu 2 bang 37. Tong cua so thu 2 va so thu 3 bang 42.Biet tong cua 3 so bang 56. Tim ba so do.
tim 2 chữ so biet tong 2 chu so la 15 ,hieu 2 chu so bang 5
mot phep tru, biet hieu la so be nhat co 2 chu so ma tong cua 2 chu so do bang 7, so bi tru bang 59. tim so tru
CAC BAN GIAI THANH LOI GIAI GIUP TO VOI
AI LAM DAU TIEN TO TICH CHO
tim hai so co tong bang 6 va hieu bang0
tim hai so co thuong bang 2 va co tich bang 8
tim so co 2 chu so ma tich 2 chu so cua so do bang 2 hieu hai chui so do cung bang 2
Tim hai so co tong bang 10 va tích bang 21?