(2019·绵阳中考)已知4m=a,8n=b,其中m,n为正整数,则22m+6n的值为() (2019·绵阳中考)已知4m=a,8n=b,其中m,n为正整数,则22m+6n的值为() 发布时间:2025-07-19 11:29:37