Tim so co 3 chu so biet hieu cua chu so hang tram va hang don vi bang o,hieu cua chu so hang chuc va don vi 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 MOT SO KHI BIET SO DO TRU DI 34 THI BANG SO LON NHAT CO HAI CHU SO MA HIEU HAI CHU SO BANG 8
co tat ca bao nhieu so co hai chu so ma tong hai chu so cua moi so do bang 8?
co tat ca bao nhieu so co hai chu so ma hieu hai chu so cua moi so do bang 6?
tim hai chu so co tong 2 chu so bang 6 va hieu hai chu so cung bang 6
co bao nhieu so co 2 chu soma hieu hai chu so cua no bang so le nho nhat co mot chu so
Tim so co ba chu soma hieu cua chu so hang tram va chu so hang chuc bang 0 con hieu cus chu so hang don vi bang 8
hieu cua hai so la so lon nhat co 2 chu so ma tong 2 chu so cua no bang 12 so tru bang 7 vay so bi tru cua no la bao nhieu vay cac ban
em hay tim so co ba chu so ma hieu cua chu so hang tram va chu so hang chuc la 0 con hieu cua chu so hang chuc va chu so hang don vi bang 9