因为a×b=c,当a一定时,b和c'w*i(C6b.K(N7r'|4~*Z*a比例。*^2h4Z1F3y(h.B5~,O;q
当b一定时,a和c3f1z,B3K2y-s8m2p:t8{比例。*^2h4Z1F3y(h.B5~,O;q
当c一定时,a和b9t;]8L+f-J5k9R,w9~比例。*^2h4Z1F3y(h.B5~,O;q