> 数学 >
计算98+998+9998+``````+999999``````(50个9)8=
人气:215 ℃ 时间:2020-04-04 11:55:23
解答
98+998+9998+``````+999999``````(50个9)8
=100-2+1000-2+10000-2+.+1000000.00000-2(50个0)
=1111.111100(48个1)-2*50
=111.111000(47个1)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版