Question

$\frac{1}{2} + \frac{1}{3}$ : 0,(3) - 2,5

Answer 1

Răspuns:

Explicație pas cu pas:

1/2 + 1/3 : 0,(3) - 2,5 =

1/2 + 1/3 : 3/9 - 25/10 =

1/2 + 1/3 × 9/3 - 5/2 =

1/2 + 1/1 × 3/3 - 5/2 =

1/2 + 1/1 × 1/1 - 5/2 =

1/2 + 1 - 5/2 =

1/2 + 2/2 - 5/2 =

3/2 - 5/2 = -2/2 = -1