Question

Dado a relação 5/6×7/5×9/7 encontramos ?a)3,2b)6/7c)5/6d)2/3

Answer 1

Olá!!!

Resoluçao!!!

= 5/6 × 7/5 × 9/7
= ( 5 × 7 × 9 )/( 6 × 5 × 7 )
= ( 35 × 9 )/( 30 × 7 )
= 315/210 : 3
= 105/70 : 5
= 21/14 : 7
= 3/2

Alternativa a) 3/2

Espero ter ajudado!!!