Mathematics
Senior High
①3a+2b+c=0
②a+b+c+d=6
③12a+4b+c=0
④8a+4b+2c+d=5
①から④を使って、a.b.c.dの答えを出したいのですが求められません🙇♂️教えて頂けると助かります🙏
① うa+26+C=0
② atbtctdに6
③ 120
④8 a44b+2ctd=5
u
t4b+C=0
20td
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