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-0,8(3)+ 1 intreg si 3 pe 4-0,3(8)+0,375

Răspuns :

-0,8(3)+ 1 intreg si 3/4-0,3(8)+0,375 =
=-(83-8)/90+ 7/4-(38-3)/90+375/1000=
=-75/90+ 7/4-35/90+3/8=
=-110/90+ (14+3)/8=
=-11/9+ 17/8=
=(-88+153)/72=
=65/72