tim so tu nhien co 2 chu so biet rang tong cac chu so bang 7 tich cac chu so bang 10. giai day du dc 1 like
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:.........
cho 6 chu so 1;2;3;4;5;6 . Tong cua tat ca cac so co 5 chu so khong chia het cho 5 lap duoc tu cac so tren la
so tu nhien be nhat co 3 chu so khacnhau co tong cac chu so la 11
ai giai nhanh tui yich cho
tim so tu nhien lon nhat co ba chu so
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 ....
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
viet tat ca cac so co 2 chu so , biet rang chu so han don vi hon chu so hang chuc la 4 don vi
giai ro rang ra cho mk nha !