Tim so be nhat co 2 chu so .Biet hai chu so cua so tru cho nhau thi bang 2
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 ....
tim so be nhat sao cho khi viet so do vao ben phai so 2009 thi duoc so co sau chu so chia het cho 125.
bai 2; tim x
184250 : (x nhan 134 ) = 125
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 lon nhat co 1 chu so cong so lien sau so be nhat co 1 chu so
tim so be nhat cua 2 chu so .biet 2 chu so cua so do tru cho nhau thi bang 2
so be nhat co 2 chu so
tim so ho nhat co ba chu so
tim so lon nhat co ba chu so