【-7又2/3】+【-3又1/3】+8又1/4
问题描述:
【-7又2/3】+【-3又1/3】+8又1/4
(-15.467)+(-4.427)+19.467
【-1/3】+(-0.75)+【-3又1/4】
(-392)+(-4.93)+(-108)
(要脱试)
()+(-16)=-16
-16+()=-16
()+(-16)=16
-16+()=0
()+(-16)=6
-16+()=6
答
=-11/4
=-0.27
-13/3
0,
0
32
16
22
22