gọi 2 số cần tìm là a ,b
ta có a - b=8 và a+b =10
=>a-b+a+b=18
=>2a=18=>a=9
=>b=1
ban co cach giai nao don gian hon ko vi be van chua hoc phep nhan chia ah
tim 2so co tong la so lon nhat co 1 chu so va hieu cua chung bang 5
tong cua 2 chu so la so be nhat co 2 chu so ma hieu 2 chu so do bang 7 . so hang thu 2 la 9. tim so hang thu 1
Cau 1 co tat ca ..... so co 2 chu so ma hieu 2 chu so cua moi so do bang 6
Cau 2 so lon nhat co 2 chu so ma hieu 2 chu so cua moi so do bang 5 . La :.............
Cau 3 so be nhat co 2 chu so ma tong 2 chu so cua moi so do bang 9 . La : .............
so be nhat co ba chu so khac nhau ma tong ba chu so cua so do bang 8 la
tim tong cua so lon nhat co 2 chu so va so be nhat co 1 chu so la...
trog 1 phep tru, biet hieu la so be nhat co 2 chu so ma tong hai chu so cua no=6; so tru =68. Tim so bi tru?
giai nhanh giup minh nhe! minh dag can gap , ai tra loi dc minh se tick cho!
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
so lien sau so be nhat co hai chu so ma hieu so do la 6