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[tex] 3\frac{3}{4} [/tex] - [tex] \frac{1}{12} [/tex] - [tex] \frac{7}{6} [/tex]

Răspuns :

[tex]\displaystyle 3 \frac{3}{4} - \frac{1}{12} - \frac{7}{6} = \frac{4 \cdot 3+3}{4} - \frac{1}{12} - \frac{7}{6} = \frac{12+3}{4} - \frac{1}{12} - \frac{7}{6} = \\ \\ = \frac{15}{4} - \frac{1}{12} - \frac{7}{6} = \frac{45-1-14}{12} = \frac{30}{12} = \boxed{\frac{5}{2} }[/tex]
3 3\4-1\12-7\6=
15\4-1\12-7\6=
numitorul comun este :12
45-1-14\12=30\12=5\2
succes