有没有计算3.162-(-2)-(+305)-(-3)-(+504)-(+0.162)3.162-(-2)-(+3½)-(-3)-(+5¼)-(+0.162)

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有没有计算3.162-(-2)-(+305)-(-3)-(+504)-(+0.162)3.162-(-2)-(+3½)-(-3)-(+5¼)-(+0.162)
有没有计算3.162-(-2)-(+305)-(-3)-(+504)-(+0.162)
3.162-(-2)-(+3½)-(-3)-(+5¼)-(+0.162)

有没有计算3.162-(-2)-(+305)-(-3)-(+504)-(+0.162)3.162-(-2)-(+3½)-(-3)-(+5¼)-(+0.162)
=3.162+2-3.5+3-5.25-0.162
=(3.162-0.162)+(2+3)-(3.5+5.25)
=3+5-8.75
=-0.75