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若4x2y3z÷m=-8xy2,则m=()A.-12xy2B.-12xyzC.-2x2y2zD.-2xyz
题目详情
若4x2y3z÷m=-8xy2,则m=( )
A. -
xy21 2
B. -
xyz1 2
C. -2x2y2z
D. -2xyz
▼优质解答
答案和解析
由题意得,
m=4x2y3z÷(-8xy2)=-(4÷8)(x2÷x)(y3÷y2)z=-
x2-1y3-2z=-
xyz.
故选B.
m=4x2y3z÷(-8xy2)=-(4÷8)(x2÷x)(y3÷y2)z=-
1 |
2 |
1 |
2 |
故选B.
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