Question

Resolva: a)4/5* 20/16 * 8/3= b)3/8*24/15*10/12= c)30/18: 54/120= d)13/50:26/100=

Answer 1

a)4/5* 20/16 * 8/3 =  640/240 =   : 16 = 40/15

b)3/8*24/15*10/12=   720/ 1440 =  : 740 = 1/2

c)30/18: 54/120=   30/18 * 120/54 = 3600/972  : 36 = 100/27

d)13/50:26/100=    13/50 * 100/26 = 1300/1300 : 1300 =  1