问题
解答题
用最简的方法计算：（-1002）×17．
答案
（-1002）×17，
=（-1000-2）×17，
=-1000×17-2×17，
=-17000-34，
=-17034．
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用最简的方法计算：（-1002）×17．
（-1002）×17，
=（-1000-2）×17，
=-1000×17-2×17，
=-17000-34，
=-17034．
| 补全对话。在下面对话的空白处，填入适当的短语或句子，使对话意思完整、通顺。 Xiao Wen:Hello,Han Lin. Han Lin:Hello,Xiao Wen. Xiao Wen:1. ______________________ Han Lin:I'm reading today's newspaper. It says every week students in primary schools have a day without homework. 2. ______________________ Xiao Wen:I think it’s great. I wish I were still in primary school. Han Lin:Haha! That's impossible. But after the big exam, we'll also have a long summer vacation without any homework. Xiao Wen:I am looking forward to it. Have you made any plans for it? Han Lin:3. ______________________I’m going traveling. But I haven't decided where to go. Xiao Wen:4. ______________________ Han Lin:Good idea. I also hear Wuxi is a nice place. I'll think about it. Thank you for your advice. Xiao Wen:5. ______________________ |