Mathematics
Junior High
Solved
どうやったらこの答えになるかを教えてください。
四 (@+6+1)(2+ぁ3) を展開しよぅ。
6十らを 4 と置くと.
(2十6寺1)(2十83)
={(々十の1)((Z十の) 3)
(4す9(4ー 0
(①
=(2すの"一2(Z二の3
ーー の/+26ィ6 っ9 -つD-3|
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そうです。