A:to talk; much
B:to speak; much
C:talk; many
D:speak; many
480÷16=____ 120×30=____ 540÷60=____ 770÷70=____
0÷45×2=____ 51÷3=____ 25×40=____ 17×6÷17×6=____
如图是兼有我国领土最东端和最北端的省份,它的简称是( )