Mathematics
Senior High
Resolved
この問題ですがなぜ√28か、2√7になるのですか??
4√7はなぜ違うのか教えて頂きたいです。
(A) 6=4, c=6, A=60° のとき a
4 t6-2x4x6x60
2
16 +36 -2x 4x6 r
と3
52-24
128
17
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