Question

se resuelve pasando a fracion

Answer 1

1) 0,3 : 0.006 / 0,2 x 1,555555...

3/10 : 6/1000 / 2/10 x 1+5/9

3000/60 / 2/10 x 14/9

300/6 / 28/90

simplificando

50 / 14/45

resolviendo

50x45/14

2250/14

1125/7

2)1,1999... x 0,011111.../0,066666... + 1,2 x 0,5

(119-11)/90 x 1/90 /6/90 + 12/10x 5/10

108/90 x 6/8100 + 60/100

simplificando

6/5 x 1/1350 + 3/5

resolviendo

6/6750 +3/5

1/1125 +3/5

(1 + 675) /1125

676/1125

3) 0,55555...x 0,9 +0,5 x 0,75 - 1,222222/0,88888

5/9 x9/10 + 5/10x75/100 - 11/9/8/9

5/10 + 375/1000 - 11/8

simplificando

1/2 + 3/8 -11/8

1/2 -8/8

1/2-1

-1/2