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-0.8(3)+ 7/3-0.3(8)+0.375

Răspuns :

-0.8(3)+ 7/3-0.3(8)+0.375=
=-(83-8)/90+7/3-(38-3)/90+375/1000=
=-75/90+7/3-35/90+3/8=
=-110/90+7/3+3//8=
=-11/9+7/3+3/8=
=(-11*8+7*24+3*9)/72=
=(-88+168+27)/72=
=107/72=1,486(1)