3×a×8=______×______×a;a+02+b=______+______+02;7(a+b)=7______+7______;8×a×025=______×______×a;3a+ax=(

题目简介

3×a×8=______×______×a;a+02+b=______+______+02;7(a+b)=7______+7______;8×a×025=______×______×a;3a+ax=(

题目详情

3×a×8=______×______×a;
a+02+b=______+______+02;
7(a+b)=7______+7______;
8×a×025=______×______×a;
3a+ax=(______+______)×a.
题型:填空题难度:中档来源:不详

答案

(1)3×a×8=3×8×a;
(c)a+1c+b=a+b+1c;
(3)7(a+b)=7a+7b;
(4)8×a×1ck=8×1ck×a;
(k)3a+a7=(3+7)×a.
故答案为:3,8;a,b;a,b;8,1ck;3,7.

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