(-1/2*-1/2)-3 1/2-(2-1 5/6)÷3=

Răspuns :

(-1/2 * -1/2) = 1/4
3 1/2 =3/2
2-1 5/6=5/6
1/4 -3/2 - 5/6 : 3 = amplificam fractiile ca sa ne dea  acelasi numitor 12
3/12 - 18/12 -10/12 : 3 = -25/12 :3
=-25/12*1/3
=-25/36 
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