A:red
B:new
C:green
如图所示的实验操作中正确的是( )
—What____ your mother____?
—She____ ____dumplings.
400÷20=____
390+56=____
45×30=____
150×6=____
20+80×4=____
540-190=____
24×50=____
201×4=____
6000÷30=____
9+9×10=____