A.\({a^2}\) (đvtt)
B.\(2{a^3}\) (đvtt)
C.\(6{a^3}\) (đvtt)
D.\(6{a^2}\) (đvtt)

A.\(\sqrt 2 cm\)
B.\(2cm\)
C.\(2\sqrt 2 cm\)
D.\(4cm\)

A.\(216c{m^3}\)
B.\(81c{m^3}\)
C.\(162c{m^3}\)
D.\(324c{m^3}\)

A.\(3\)
B.\(4\)
C.\(5\)
D.\(6\)

A.\(64c{m^3}\)
B.\(16\sqrt 2 c{m^3}\)
C.\(16c{m^3}\)
D.\(2\sqrt 2 c{m^3}\)

A.\(512\,\,\left( {{m^3}} \right)\)
B.\(729\,\,\left( {{m^3}} \right)\)
C.\(1000\,\,\left( {{m^3}} \right)\)
D.\(682\,\,\left( {{m^3}} \right)\)

A.
B.
C.
D.

A.\(2,49dm\)
B.\(2,45dm\)
C.\(2,46dm\)
D.\(2,48dm\)

A.\(S = 56,26c{m^2}\,\,;\,\,\,V = 32,14c{m^3}\)
B.\(S = 59,39c{m^2}\,\,;\,\,\,V = 32,14c{m^3}\)
C.\(S = 56,26c{m^2}\,\,;\,\,\,V = 31,14c{m^3}\)
D.\(S = 59,39c{m^2}\,\,;\,\,\,V = 31,14c{m^3}\)

A.\(729c{m^3}\)
B.\(812c{m^3}\)
C.\(864c{m^3}\)
D.\(512c{m^3}\)