简便计算:1⼀8÷17⼀1-1÷8÷1⼀7+0.125×11-13×12.5%

2025-06-22 00:19:01
推荐回答(1个)
回答1:

解:原式=1/8*17-1/8*7+1/8*11-1/8*13
=1/8*(17-7+11-13)
=1/8*8
=1