从5里面连续减去1/5,减去多少次结果为0
从5里面连续减去1/5,减去多少次结果为0
数学人气:798 ℃时间:2019-10-20 00:16:15
优质解答
我有两种理第一种理解,每次都从5里面减去5的1/5,结果只需5次;第二种理解,第一次从5里面减去5的1/5,等于4,再从4里面减去4的1/5,...,依此下去,5(1-1/5)^x=0,貌似这个式子无意义.
我来回答
类似推荐
猜你喜欢
- 1the heavy rain made __for us to go swimming this afternoon.A it was impossible B impossible
- 2Look at the tower,It is ____ 150 meters high.(A.in B.on C.about)
- 3i'm going to the sky.it's hot in river.语句通顺)
- 4写出八个自然现象的成语并选择其中几个写一段话
- 5初三二次函数:怎样利用二次函数确定近似值?
- 6一句描写大海的古诗词
- 7《十六年前的回忆》的重点句
- 8suppose that E and F are events such that p(E)=0.8,and p(F)=0.6.show that p(E∪F)≥0.8 and p(E∩F)≥0.
- 9Her mother wants some food for supper是什么意思
- 10一个圆柱形水桶的侧面积是18.84平方分米,水桶的底面半径是1分米.求水桶的体积.