hieu cua so nho nhat co 2 chu so va so co 1 chu so la ?
SO DOI CUA SO NGUYEN TO NHO NHAT CO 2 CHU SO
LA ....
AHI HI NHANH MK K
so thu tu nhien nho nhat co chu so hang chuc bang1/3 chu so hang don vi la?
ai lam nhanh minh tich cho
a) So lon nhat co 1 chu so la ....
b) Co .... so co 1 chu so .
c) So be nhat co 2 chu so la ...
d) So lon nhat co 2 chu so la ....
cho 3 chu so a,b,c, thoa man :0<a<b<c
a/viet tap hop A cac so tu nhien co ba chu so gom ca ba chu so a,b,c.
b/biet tong hai so nho nhat trong tap A bang 488. Tim 3 chu so a,b,c noi tren
tim so tu nhien nho nhat de cac so deu la so nguyen to
so lon nhat co 1 chu so cong so lien sau so be nhat co 1 chu so
1.tu 1 den 10
A/so lon nhat la:...
B/so be nhat la:...
2.tu 10 den 100
A/so be nhat co 2 chu so giong nhau la:..
B/so be nhat co 2 chu so tron chuc la:...
C/tinh tong cua hai so:.........
so tu nhien nho nhat khac 0 chia het cho ca 2,3,5,9 la