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79+44²=
12²+5²=
5+4³÷16=
4×[4²+4(4²-3×5)]=


Răspuns :

79 + 44² = 79 + 1936=2015
12² + 5² = 144 + 25 = 169 
5  + 64 : 16 = 5 + 4 = 9 

4· [ 16 + 4·( 16 - 15)] = 4· [ 16 + 4·1] = 4 ·[ 16 +4] = 4· 20 = 80
[tex]79+44^2=79+1936=2015 \\ \\ 12^2+5^2=144+25=169 \\ \\ 5+4^3\div16=5+64\div16=5+4=9 \\ \\ 4 \times [4^2+4\times(4^2-3 \times 5)]=4 \times [16+4\times(16-15)]= \\ =4 \times (16+4\times1)=4 \times (16+4)=4 \times 20=80 [/tex]