-4又4分之3+6分之1+(-3分之2)-2分之5运算方法
1个回答
2016-07-31
展开全部
-((16+3)/4)+(1/6)-(2/3)-(5/2)
=-(19*3/4*3)+(1*2/6*2)-(2*4/3*4)-(5*6/2*6)
=-(57/12)+(2/12)-(8/12)-(30/12)
=(-57+2-8-30)/12
=-93/12
=-31/4
=-7(3/4)
=-(19*3/4*3)+(1*2/6*2)-(2*4/3*4)-(5*6/2*6)
=-(57/12)+(2/12)-(8/12)-(30/12)
=(-57+2-8-30)/12
=-93/12
=-31/4
=-7(3/4)
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