问题
单项选择题
478×365-1的值是( )。
A．174473
B．174469
C．16729
D．16723
答案
参考答案：B
解析：先用尾数判断法排除A、D，根据300×400=120000＞16729判断，C是不对的。
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478×365-1的值是( )。
A．174473
B．174469
C．16729
D．16723
参考答案：B
解析：先用尾数判断法排除A、D，根据300×400=120000＞16729判断，C是不对的。
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 Jack and John are two boys. They are best __1__. They go to school and play sports together. Jack works hard, __2__ he is good at his lessons. John doesn't __3__ well in maths. So Jack often helps John with __4__ maths. There __5__ thirty-two students in their class. Lessons start __6__ 9 o'clock in the morning. They have __7__ break at eleven. They have lunch at school. They always eat some meat and some __8__ for lunch. About five o'clock they go home. Jack and John would like __9__ to the cinema this evening. It's Bolt (《闪电狗》) and it's their __10__ film. | ||||
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