Mathematics
Senior High

この問題教えてください!
習ってないので少しだけ説明してもらえると嬉しいです!

練習 次の数列が等差数列であるとき, xの値を求めよ。 9 (1) 3, x, 11, ... 1 1 (2) 1 12 x'6'

Answers

Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉