> 数学 >
1.125+2.125.+3.125+4.125+5.125+……+50.125=
人气:205 ℃ 时间:2020-04-24 07:21:17
解答
1.125+2.125.+3.125+4.125+5.125+……+50.125 =(1+2+3+...+50)+0.125×50 =1275+6.25 =1281.25
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版