2r+3.14r/2=8+3.14r/2
问题描述:
2r+3.14r/2=8+3.14r/2
答
您好
下面是具体答案。
2r+3.14r/2=8+3.14r/2
2r=8
r=4
答
r=4
答
2r+3.14r/2=8+3.14r/2
2r=8
r=4