作业帮1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/12 23:31:05
xMn 24JOJiQigBTz¦fa~?y.+#Ĉjz%ޓR VR9.'ak]ޚ N!{y&$)[ 5F~RFt毊3hJI͗0/F(,D@!pT(et 5Dќ@yx-
% b?#
eRIKnE@?,]{_i{
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=