(-5.75)+5又3/4 (-3又4/5)+(+4又5/6)=?(-3.87)+(+2.98)=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 00:06:39
(-5.75)+5又3/4 (-3又4/5)+(+4又5/6)=?(-3.87)+(+2.98)=?

(-5.75)+5又3/4 (-3又4/5)+(+4又5/6)=?(-3.87)+(+2.98)=?
(-5.75)+5又3/4 (-3又4/5)+(+4又5/6)=?
(-3.87)+(+2.98)=?

(-5.75)+5又3/4 (-3又4/5)+(+4又5/6)=?(-3.87)+(+2.98)=?
(-5.75)+5又3/4 =-5.75+5.75=0
(-3又4/5)+(+4又5/6)=-3+4-4/5+5/6=1+(-24+25)/30=1+1/30=1又1/30
(-3.87)+(+2.98)=-0.89