简便计算40.4除0.5加6.16急iiiii

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简便计算40.4除0.5加6.16急iiiii简便计算40.4除0.5加6.16急iiiii简便计算40.4除0.5加6.16急iiiii86.9640.4*2+6.16=86.9640.4/0.5+

简便计算40.4除0.5加6.16急iiiii
简便计算40.4除0.5加6.16
急iiiii

简便计算40.4除0.5加6.16急iiiii
86.96
40.4*2+6.16=86.96

40.4/0.5+6.16
=404/5+154/25
=2174/25
=86.96

40.4/0.5=40.4*2=80.8
然后再加上6.16=86.96

是除0.5还是除以6.16。
如果是除以:
40.4÷0.5+6.16
=40.4×2+6.16
=80.8+6.16
=86.96
如果是除:
0.5÷40.4+6.16
=5÷404+6.16

题目不对吧