[(7)^3x(-6^)3]^2÷(-21)^6÷(-4)^2
[(7)^3x(-6^)3]^2÷(-21)^6÷(-4)^2
499
punti
Livello 1
32)
$[(7)^3×(-6)^3]^2÷(-21)^6÷(-4)^2=$
$= [(-42)^3]^2÷21^6÷4^2=$
$= (-42)^{3×2}÷21^6÷4^2=$
$= (-42)^6÷21^6÷4^2=$
$= 2^6÷(2^2×2^2)=$
$=2^6÷2^{2+2}=$
$= 2^6÷2^4=$
$=2^{6-4}=$
$=2^2=$
$=4$
68301
punti
Genius I