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2 1/4-(5/12+11/12) ​

Răspuns :

Răspuns:

21/4-16/12=37/16

nu uita coroana

[tex]\displaystyle 2\frac{1}{4} - \left(\frac{5}{12} + \frac{11}{12}\right) =\frac{2 \cdot 4 + 1}{4} - \frac{16}{12} = \frac{9}{4} - \frac{16}{12} = \frac{3 \cdot 9 - 16}{12} = \frac{11}{12}[/tex]