x⊕y=6x+5y,x△y=3xy 已知(2⊕3)△a=324 求a
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x⊕y=6x+5y,x△y=3xy 已知(2⊕3)△a=324 求a
x⊕y=6x+5y,x△y=3xy 已知(2⊕3)△a=324 求a
x⊕y=6x+5y,x△y=3xy 已知(2⊕3)△a=324 求a
(2⊕3)=6×2+5×3=27
27△a=3×27×a=81a=324
所以,a=4
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