Question

me ajudem pfr é pra hj ainda ​

Answer 1

Resposta:

22.  

a) 15/99=5/33

b) 287/999

c) 7/9

d) (2414-24)/9900=2390/9900=239/990

e) (3263-32)/9900=3231/9900=359/1100

f) (1852-185)/9000=1667/9000

g) (11-1)/9=10/9

h) =1/90

i) (212-21)/90=191/90

j) (5546-554)/900=4992/900=416/75