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8÷11的商是()小数,这个小数的小数点后面第99位的数字是(),前99的数字和是().
人气:411 ℃ 时间:2019-10-19 02:40:06
解答
8÷11约等于(99位):
0.727272727272727272727272727272727272727272727272727272727272727272727272727272727272727272727272727
商是无限循环小数,第99位的数字是7,前99位数字和是
7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7+2+7
=448
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