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the school, the village has a clinic
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It was foolish of him to his notes during that
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Most young people enjoy some form of
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A young man who lived in London was in
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ADADADADAD
近似,整数,单位
12-09
12-09
the school, the village has a clinic
12-09
It was foolish of him to his notes during that
12-09
12-09
12-09
Most young people enjoy some form of
12-09
12-09
12-09
12-09
12-09
A young man who lived in London was in
12-09
题目306900四舍五入到“万”位约是______，把687430000改写成用“亿”作单位的数是______．可圈可点用户2021-03-11 14:41优质解答答案31万，6.8743亿解
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题目
306900四舍五入到“万”位约是______，把687430000改写成用“亿”作单位的数是______．
可圈可点用户
2021-03-11 14:41
优质解答
31万，6.8743亿
（1）306900≈31万；
（2）687430000=6.8743亿；
考点名称：整数的近似数及改写
整数的改写：
为了读写方便，常把一个比较大的多位数，写成用“万”或“亿”做单位的数；
求近似数：
有时可以根据需要省略这个数某一位后面的尾数，写成近似数。省略一般根据“四舍五入”法。
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