来自包亮的问题
(-26.54)-18.46+(604)+6.4
(-26.54)-18.46+(604)+6.4
1回答
2020-05-31 08:09
(-26.54)-18.46+(604)+6.4
(-26.54)-18.46+(604)+6.4
(-26.54)-18.46+(604)+6.4
=-(26.54+18.46)+604+6+0.4
=-45+610+0.4
=565+0.4
=565.4