Question

-(5întreg4/9-6într5/12)+(-3într2/3-5/9)=?

Answer 1

-7/120-73/45,

-21+587 tot supra 360,

-605/360,

-121/72...

Answer 2

-(5·9+4)/9 - (-6·12+5)/12 + (-3·3+2)/3 -5/9=
-(45+4)/9 -(-72+5)/12 + (-9+2)/3 - 5/9=
-49/9 -(-67)/12 +(-7)/3 -5/9=
(-49-5)/9 +67/12 -4·(7/3)=
-54/9 + 67/12 -28/12=
-6 + (67-28)/12=
-6 + 39/12=
-6 +13/4 =
-24/4 +13/4=
(-24+13)/4=-11/4