Question

doy muchos puntos y corona,por favor

Answer 1

Explicación paso a paso:

a) 9/8 . 2/5 . 10/6 = 180/240 = 3/4

b) 8/5 . (-10/4) . 1/3 = - 80/60 = - 40/30 = - 8/6 = - 4/3

c) - 13/21 ÷ 4/7 = - 12/21 . 7/4 = -. 84/84 = - 1

d) 10/18 ÷ 2/4 = 10/18 . 4/2 = 40/36 = 20/18 = 10/9