Răspuns:
Explicație pas cu pas:
= [ 175/100 - 5/9] : 215/10 =
[7/4 - 5/9] x 5/43 =
[(63-20)/36] x 5/43 =
43/36 x 5/43 =
5/36 =
0,13(8)
= [275/100 - 24/9 ] x 144/10 =
[11/4 - 24/9 ] x 144/10 =
[(99 - 96)/36] x 144/10
3/36 x 144/10 =
1/12 x 144/10 =
12/10 =
1,2
