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数学
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已知单项式3a^3x+y-zb^3c^x+y+z与-6a^4b^2x-yc^6是同类项
则xyz________
人气:152 ℃ 时间:2019-10-31 22:59:12
解答
∵单项式3a^3x+y-zb^3c^x+y+z与-6a^4b^2x-yc^6是同类项
∴3x+y-z=4
2x-y=3
x+y+z=6
解得:x=2
y=1
z=3
∴xyz=2*1*3=6
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