-(-2.15),-(+0.1),-[+(-5)],-[-(2 1/2)] 如何化简?
问题描述:
-(-2.15),-(+0.1),-[+(-5)],-[-(2 1/2)] 如何化简?
答
2.15,0.1,5,2 2/1
-(-2.15),-(+0.1),-[+(-5)],-[-(2 1/2)] 如何化简?
2.15,0.1,5,2 2/1