5,5-3*[-1,25-(-2 ⅔]:[(-0,5):0,25]=
=5,5-3*[-1,25+2⅔]:(-2)=
=5,5-3*(-1 5/12):(-2)
=5,5+4,25:(-2)
=5,5+(-2,13)=
=5,5-2,13=3,37
NAJ?;D
=5 1/2-3(-1 1/4+2 2/3):(-1/2 :1/4)=11/2-3*(-5/4 + 8/3):(-1/2:1/4)=11/2-3*17/12:2=11/2-17/:2=22/4-17/4:2=5/4:2=5/4*1/2=5/8
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5,5-3*[-1,25-(-2 ⅔]:[(-0,5):0,25]=
=5,5-3*[-1,25+2⅔]:(-2)=
=5,5-3*(-1 5/12):(-2)
=5,5+4,25:(-2)
=5,5+(-2,13)=
=5,5-2,13=3,37
NAJ?;D
=5 1/2-3(-1 1/4+2 2/3):(-1/2 :1/4)=11/2-3*(-5/4 + 8/3):(-1/2:1/4)=11/2-3*17/12:2=11/2-17/:2=22/4-17/4:2=5/4:2=5/4*1/2=5/8