4 x 4 x 6 x 6 x3 x 7 = 42 x 62 x 3 x 7
9 x 9 x 10 x 10 x 10 = 92 x 103
( 2x ) x ( 2x ) x ( 2x ) x ( 2x ) = ( 2x )4
hok tốt !
\(4.4.6.6.3.7=4^2.6^2.3.7\)
\(9.9.10.10.10=9^2.10^3\)
\(\left(2x\right).\left(2x\right).\left(2x\right).\left(2x\right)=\left(2x\right)^4\)
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