计算:3a+2a=______;3a•2a=______;3a÷2a=______;a3•a2=______;a3÷a2=______;(-3ab2)2=______.-数学

题目简介

计算:3a+2a=______;3a•2a=______;3a÷2a=______;a3•a2=______;a3÷a2=______;(-3ab2)2=______.-数学

题目详情

计算:3a+2a=______;3a•2a=______;3a÷2a=______;a3•a2=______;
a3÷a2=______;(-3ab22=______.
题型:填空题难度:中档来源:不详

答案

3a+2a=5a;
3a•2a=6a2;
3a÷2a=1.5;
a3•a2=a5;
a3÷a2=a;
(-3ab2)2=9a2b4.

更多内容推荐