Mathematics
Junior High
Resolved

この問題の途中式の意味がわかりません。
どなたか教えて下さると幸いです🙇‍♀️💦

(3) 99² = (100-1) =100 ¥100×1×2× #fotog 40:100² - 2x100 x / +1² =9801

Answers

✨ Best Answer ✨

(x+y)²=x²+2xy+y²を利用

K

ありがとうございます😭💓

Post A Comment
Were you able to resolve your confusion?