—I'm 1.42 metres.
—Oh! ________ I'm 1.38 metres.
A:I'm taller than you.
B:You're taller than me.
C:I'm stronger than you.
分解因式:3x3-27x=____.
下列各句中,没有语病的一项是( )
7.8×15+2.2×15=(____+____)×____,这个算式利用了乘法____。