A.Tôm.
B.Ếch đồng.
C.Chuột.
D.Châu chấu.

A.\(\dfrac{{aa}}{{Bb}}DD\).
B.\(\dfrac{{Aa}}{{Bb}}Dd\).
C.\(\dfrac{{AA}}{{BB}}Dd\).
D.\(\dfrac{{AB}}{{aB}}Dd\).

A.5
B.3
C.4
D.2

A.\(\dfrac{1}{{64}}\).
B.\(\dfrac{3}{{32}}\).
C.\(\dfrac{3}{{64}}\).
D.\(\dfrac{{15}}{{64}}\).

A.Aa × aa
B.AA × aa
C.AA × Aa
D.Aa × Aa

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

A.\(150c{m^3}\)
B.\(300c{m^3}\)
C.\(450c{m^3}\)
D.\(600c{m^3}\)

A.\(4200c{m^3}\)
B.\(6400c{m^3}\)
C.\(8400c{m^3}\)
D.\(4800c{m^3}\)

A.\(x = 2cm\)
B.\(x = 3cm\)
C.\(x = 4cm\)
D.\(x = 2,5cm\)

A.\(315{\rm{ }}\left( {{m^3}} \right)\)
B.\(396{\rm{ }}\left( {{m^3}} \right)\)
C.\(351{\rm{ }}\left( {{m^3}} \right)\)
D.\(369{\rm{ }}\left( {{m^3}} \right)\)