【简答题】化简(1) 27 - 12 + 45 计算(2) si n 2 45°- 27 + 1 2 ( 3 -2006 ) 0 +6tan30°
【判断题】分销通路与营销渠道两者主要表现在长度、宽度上不同。
【单选题】选择一个选项将该句补充完整:We are very sorry that the product you bought is sold_____. Would you mind exchange it to others in our store?
【简答题】计算: ( 4 ) 2 + 3 -27 - 6 2 + 8 2 .
【单选题】【例8】2 2 6 12 27 ( ) (江苏2007A类-10)
【简答题】计算 (1) 12 - 27 - 20 + 50 ; (2) (5- 6 )( 3 + 2 ) .
【单选题】选择一个选项将该句补充完整:We are very sorry that the product you bought is sold_____. Would you mind exchanging it to others in our store?( )