Question

efectuati 72/24 supra 32/12 b) 35/108supra 385/324= c)2si 19/49 supra 5 si 4/7= d) 3 si 1/3:1 si 1/9= e)65/8: 4si 1/16= f) 1:3si 1/7=

Answer 1

a)(72/24)/(32/12 )=(72×32)/(24×12 )=8

b) (35/108)/(385/324)= 35/108 × 324/385 = 3/11

c)(2si 19/49 ) /( 5 si 4/7)= 117/49 × 7/39 = 3/7

d) 3 si 1/3:1 si 1/9= 10/3 : 10/9 =10/3 × 9/10=3

e)65/8: 4si 1/16=65/8 : 65/16 =65/8 × 16/65=2

f) 1:3si 1/7= 1 :22/7=7/22