100/101+102/101+103/102+.199/200=?
问题描述:
100/101+102/101+103/102+.199/200=?
答
100/101+102/101+103/102+.199/200
=1- 1/101 + 1 + 1/101 +.1-1/200
=100-1/200
=99.995