Question

Answer 1

\(\left(-2\right).\left(-3\right)^2=-2.9=-18\)

chọn A

Answer 2

A

Answer 3

A

Answer 4

A

Answer 5

A

Answer 6

A

Answer 7

Thay x=-2 và y=3

(-2).3\(^2\)=-18

=>A

Answer 8

A

Answer 9

A

Answer 10

A