Răspuns :

Răspuns:

1/2+1/6-3/18=9/18+3/18-3/18=9/18=1/2

[tex]5^{2}[/tex]+1/2=25+1/2=51/2

(1/3+1/6)²=(2/6+1/6)²=(3/6)²=(1/2)²=1/4

(3/4×1/2)³+(5³:5²)=(3/8)³+5=27/512+5=2587/512

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