简便计算:1/8÷17/1-1÷8÷1/7+0.125×11-13×12.5%
问题描述:
简便计算:1/8÷17/1-1÷8÷1/7+0.125×11-13×12.5%
答
原式=1/8*17-1/8*7+1/8*11-1/8*13
=1/8*(17-7+11-13)
=1/8*8
=1