【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】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?( )
【简答题】计算: (1) 12 - 27 (2) 6 × 15 × 10 (3) ( 2 +2 3 )( 2 -2 3 )