Respostas
respondido por:
1
A) 71,22222222222...=x
712,222222222....=10x
712,22222...-71,2222...=10x-x
641=9x
x=641/9
R:641/9
B)0,191919191919...=x
1,91919191...........=10x
19,1919191919........=100x
19,19191919...-0,19191919...=100x-x
19=99x
x=19/99
R:19/99
712,222222222....=10x
712,22222...-71,2222...=10x-x
641=9x
x=641/9
R:641/9
B)0,191919191919...=x
1,91919191...........=10x
19,1919191919........=100x
19,19191919...-0,19191919...=100x-x
19=99x
x=19/99
R:19/99
Perguntas similares
6 anos atrás
6 anos atrás
8 anos atrás
8 anos atrás
9 anos atrás
9 anos atrás