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Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
苏教版小学数学四年级上册第七单元测试卷一 认真读题谨慎填写(1-3题每小题2分第4题每小题1分共24分)1如果用ab表示两个乘数那么乘法交换律可以表示成( ) 如果用abc表示三个加数那么加法结合律可以表示成( )2根据运算率填空 ① 85×a = a×□ ② 49□ = 7349 ③ 56b44 = b(□□) ④
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
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