các số đó là:20;31;42;53;64;75;86;97
các số đó là:20;31;42;53;64;75;86;97
Viêt cac so co hai chu so ma tong cua hai chu so do la 9
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 !
viet cac so 2 chu so co hang chuc la 3
viet cac so 2 chu so co hang don vi hon hang chuc la 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 ....
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 be nhat co hai chu so la so may
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
Tim so co 2 chu so lon nhat ma 2 chu so ay khac nhau. La the nao nhi?
Giai giup minh voi cac ban oi
hieu cua so nho nhat co 2 chu so va so co 1 chu so la ?