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Hogeaiulia
a fost răspuns

Calculati :
a) [3/4+2/3:(3/4-1/2)]•6/41=
b) [7/5:14/15+3/2:(9/4-1 1/2)]2/7=

Răspuns :

Damnit
a)[9/12+8/12:(3/4-2/4)]:×6/41
(17/12:1/4)×6/41
(17/12×4/1)×6/41
17/3×6/41
17×2/41
34/41
b) [7/5×15/14+3/2:(9/4-22/4)]2/7
[3/2+3/2:(-13/4)]2/7
[3/2+3/2×(-4/13)]2/7
(3/2-6/13)2/7
(49/26-12/26)2/7
37/26×2/7
37/91

Alte intrebari