甲级铅笔7分钱一支，乙级铅笔3分钱一支。问张明用6角钱恰好买两种铅笔共多少支？(q.{2u2B.q2D,k3t1f+y;d
算式：提示5i0W9n(U/`;L2z'Z(q.{2u2B.q2D,k3t1f+y;d
答：张明用6角钱恰好买两种铅笔/b,y7Z2o8y._支。(q.{2u2B.q2D,k3t1f+y;d