Question

gente por favor me ajudarrr

Answer 1

a
2/(7)   =  (4)/14 = 8/28 = 32/(112)
( 28 * 32)/8 = 112
( 14 * 8)/28 = 4
( 14 * 2)/4 = 7
NOS PARENTESES OS NÚMEROS COLOCADOS
b
15/(130 = 45/39 = (30)/26 = (75)/65
( 15 * 39)/45 =  13
( 45 * 22)/39 = 30
( 30 * 65)/26 = 75
C
12/(30) = 2/5 =  36/(90) = (25)/10
( 12 * 5 )/2 = 30
( 36 * 5)/2 = 90
( 90 * 10)/36 = 25
d
4/12 = 24/(72) = (1)/3 = 32/(96)
( 24 * 12)/4 = 72
( 24 * 3)/72 = 1
( 32 * 3)/ 1 = 96