球每个8元，6个要多少钱？/m9S*E3K7o,G){/@1S(b
算式：提示:p3B5c4b5s7h)K9^-t/m9S*E3K7o,G){/@1S(b
答；6个要/b/?0e,C,V;g:K0Q元。/m9S*E3K7o,G){/@1S(b