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inversul Nr rațional a=0,5-1 pe 6:2 pe 3 este:
a)4
b)-1pe 4
c)-4
d)-2pe7​


Răspuns :

Răspuns:

[tex]5/10-1/6:2/3=\\\\1/2-1/6*3/2=\\\\1/2-3/12=\\\\1/2-1/4=\\\\numitor.comun-4\\\\2/4-1/4=\\\\1/4[/tex]