Odpowiedzi

2010-02-09T20:03:40+01:00
-(7+4x-2:-1/4x-2+55)x-3=
-(7-8:1/2+55)x-3=
-(7-16+55)x-3=
-46x-3=
138
2010-02-09T20:06:08+01:00
-[-(-7)-(-4)x(-2):(-1/4)x(-2)-(-55)]x(-3)=
-[-(-7)-(-4)+8-64-(-55)]x(-3)=
-[7+4+8-64+55]x(-3)=-[10]x(-3)=30