Question

Tính : 9/15 x 25/36 = ...                                                8/27 x 9 = ... 

Answer 1

\(\frac{5}{28};\frac{8}{3}\)

Answer 2

\(\frac{9}{15}\times\frac{25}{36}=\frac{9\times25}{15\times36}=\frac{1\times5}{3\times4}=\frac{5}{12}\)

\(\frac{8}{27}\times9=\frac{8\times9}{27}=\frac{8\times1}{3}=\frac{8}{3}\)

Answer 3

1 : 225/540 = 5/12

2 : 72/27 = 8/3

Answer 4

1 : 225/540 = 5/12

2 : 72/27 = 8/3

Answer 5

5/28                                      8/3