9-20分之7+1.1=?要简算!
问题描述:
9-20分之7+1.1=?要简算!
如题~要简算!
答
9-7/20+1.1 =9+1-7/20+2/20 =10-5/20 =9.75
9-20分之7+1.1=?要简算!
如题~要简算!
9-7/20+1.1 =9+1-7/20+2/20 =10-5/20 =9.75