Răspuns:
-21197/65
Explicație pas cu pas:
x = -32,7•7 10/13 +2 3/13 •(-32,3)= ?
7 10/13 = (7•13+10)/13 = 101/13
2 3/13 = (2•13+3)/13 = 29/13
-32,7 = -327/10 =>
-32,7 • 101/13 = -327/10 •101/13 = -(327•101)/130 = -33027/130
-32,3 = -323/10 =>
2 3/13 •(-32,3)= 29/13 •(-323/10) = -(323•29)/130 = -9367/130
x = -33027/130 -9367/130 =>
x = -(33027+9367)/130 = - 42394/130⁽² = -21197/65
