下列运算正确的是 ( )
A. ( − 2 a 3 ) 2 = − 4 a 6 B. 9 = ± 3 C. m 2 · m 3 = m 6 D. x 3 + 2 x 3 = 3 x 3
Lucya cake yesterday .
She painted housethe pen .
Hemy English book away .
Ma Liang painted food ,then the food was
Long , long, there was a girl .