7又2分之1*8又19分之3*12.5*0.032 - 知识问答

7又2分之1*8又19分之3*12.5*0.032+5.95/18分之5-7.2+6.05*3又5分之3.简算

1个回答

7又2分之1*8又19分之3*12.5*0.032+5.95/18分之5-7.2+6.05*3又5分之3
=7.5x8又3/19x(12.5x0.08x0.4)+5.95x3.6-2x3.6+6.05x3.6
=7.5x8又3/19x(1x0.4)+(5.95-2+6.05)x3.6
=(7.5x0.4)x8又3/19+10x3.6
=3x8又3/19+36
=24又9/19+36
=60又9/19

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