答对一题加十分,答错一题扣6分,抢答8题最后得64分,她答对几题
问题描述:
答对一题加十分,答错一题扣6分,抢答8题最后得64分,她答对几题
答
(64 + 8 × 6) ÷ (10 + 6) = 7
答:她答对 7 题.