题目内容
(请给出正确答案)
[单选题]
下面用字母表示的算式中,属于乘法结合律的是()
A.x b = b x a
B.+ b = b + a
C.(a x b) x c =a x ( b x c )
答案
C、(a x b) x c =a x ( b x c )
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A.x b = b x a
B.+ b = b + a
C.(a x b) x c =a x ( b x c )
C、(a x b) x c =a x ( b x c )