配套习题- 整式的乘法（1） -【青果学院】

1/5单选题

难度：

1.计算(-3x²)·2x³的结果是( )

A	-6x⁵
B	-3x⁵
C	2x⁵
D	6x⁵

正确答案：QQ==

6Kej562U77ya4oi1KC0zeDxzdXA+Mjwvc3VwPinCtzI8aW1nIHdpZHRoPTE1IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0E1L3JCQUNKbFRJa2wtRDl6U09BQUFCT2pxOUhwODA0MC5wbmciPj08aW1nIHdpZHRoPTMzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzczLzE5L3JCQUNFMVRJa2wtUkprSE1BQUFCZUc4a1Q0dzk5My5wbmciPjxicj7mlYXpgIlB

2/5单选题

难度：

2.下列运算正确的是( )

A	-3(x-1)=-3x-1
B	-3(x-1)=-3x+1
C	-3(x-1)=-3x-3
D	-3(x-1)=-3x+3

正确答案：RA==

6Kej562U77ya4oi1LTMoeC0xKT0tM3grMzxicj7mlYXpgIlE

3/5单选题

难度：

3.

若a³(3aⁿ-2a^m+4a^k)=3a⁹—2+4a⁴，则m，n，k的值分别为( )

A	6，3，1
B	3，6，1
C	2，1，3
D	2，3，1

正确答案：Qg==

PHA+6Kej562U77ya4oi1YTxzdXA+Mzwvc3VwPigzYTxzdXA+bjwvc3VwPi0yYTxzdXA+bTwvc3VwPis0YTxzdXA+azwvc3VwPik9MzxpbWcgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FMy9yQkFDSjFUSWttbkRzNGlhQUFBRG11MFJ2WncwNDAucG5nIiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNFL0UzL3JCQUNKMVRJa21uRHM0aWFBQUFEbXUwUnZadzA0MC5wbmciIHdpZHRoPSIyNTUiIGhlaWdodD0iMjEiPjxicj7iiLRuPTYsbT0zLGs9MTsg5oyJ6aKY5Lit6aG65bqP5Y2zbT0z77yMbj0277yMaz0xPGJyPuaVhemAiUI8YnI+PC9wPg==

4/5单选题

难度：

4.适合2x(x-1)-x(2x-5)=12的x的值为( )

A	2
B	1
C	C3
D	4

正确答案：RA==

6Kej562U77ya4oi1MngoeC0xKS14KDJ4LTUpPTI8aW1nIHdpZHRoPTE4NiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS8xRS9yQkFDRkZUSWtteVROdDRIQUFBQ2FINmVtRkU1MjUucG5nIj48YnI+4oi0eD00PGJyPuaVhemAiUQ=

5/5单选题

难度：

5.下列等式中，正确的是 ( )①3a³·4a⁴=7a¹²②4m⁵·3m²=12m¹⁰③x²·x·x⁵=x⁸ ④(-3x)·2xy-x²y=-7x²y

A	①②
B	②③
C	③④
D	①③

正确答案：Qw==

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