1辆自行车有2个轮子，5辆自行车有多少个轮子？:\6k+W/R6a(q,m4G
算式：提示1^1z;j7_1?7g'o/G/h:\6k+W/R6a(q,m4G
口答：5辆自行车有+[+w8m6m0[*K+p:v,c/x个轮子。:\6k+W/R6a(q,m4G