Mathematics
Junior High
どこで間違えているのかどうしてもわかりません💦
↓ (1) 12ab÷(-4az)×(-zab.)
=12ab÷8a3b
= 3x2led d
2
=302 662
Jel
l=2t(r+1)をaについて解け
l=2tr+ta
-Ta=2匹r-l
2xr-l
a =- R
a=2πr
-2r
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ありがとうございます🙇🏻