Question

tinh bang cach thuan tien nhat phep tinh 1212/1515

Answer 1

1212/1515 = 1212 :1515 

= 12 x 101 : 15 x 101 

= 12/15

Answer 2

dinh hoang vu

\(\frac{1212}{1515}=\frac{1212\div101}{1515\div101}\)

\(=\frac{12}{15}=\frac{4}{5}\)

Answer 3

\(\frac{1212}{1515}=\frac{2^2.3.101}{3.5.101}=\frac{2^2}{5}=\frac{4}{5}\)

Answer 4

\(\frac{1212}{1515}=\frac{12\cdot101}{15\cdot101}=\frac{12}{15}=\frac{4}{5}\)

Dấu " . " là dấu nhân nha bạn.

Answer 5

1212/1515

=12x101/15x101

=12/15

=4/5

Answer 6

tinh bang cach thuan tien nhat phep tinh 

Answer 7

xep theo thu tu tu lon den be 4/5;13/15;7/10;17/16