Mathematics
Senior High
Resolved
(2)の問題の解説お願いします！！🙇♀️🙏
58 次の和Sを求めよ。
1
*(1) S=1-4+4-7+ 7-10 + 10-13
(2)
⑩ S=1+1+2+1+2+3
►p. 131
p.13
1
1
+
(3n-2) (3n+1)
1
+ ....+
1+2+3+....+n
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
詳しい解説ありがとうございます！！