下列数学表达式中:①﹣2<0,②2x+3y>0,③x=2,④x2+2xy+y2,⑤x≠3,⑥x+1>2中,不等式有( )
A:1个
B:2个
C:3个
D:4个
它们一共搬了多少根木头?
____(____)____=____(根)
口答:它们一共搬了____根木头。
— Could you teach me how to use the computer?
—___________.
480÷40=____
5500÷500=____
9600÷600=____
____