Question

Tính:

Answer 1

a)=112/225              b)=9/20

Answer 2

a)112/225

b)9/20 nhé

Answer 3

a)=112/225    ;     b)=9/20

Answer 4

a) = 112/225              b) = 9/20

Answer 5

a)=112/225 b)=9/20