计算:-3又1⼀2÷7⼀8×(-3⼀4) 计算:(-8)÷(-1又1⼀9)*0.125

2025-05-13 05:03:28
推荐回答(1个)
回答1:

-3又1/2÷7/8×(-3/4)
=-(7/2)(8/7)(-3/4)
=3;
计算:(-8)÷(-1又1/9)*0.125
=(-8)*(1/8)/(-10/9)
=-1/(-10/9)
=9/10