问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?

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问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?
问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?

问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?
-6.28×17.6+6.28×(-23.3)-1.57×36.4
= -6.28×(17.6+23.3+9.1)
= -6.28×50
= -314

-6.28×17.6+6.28×(-23.3)-1.57×36.4
=-6.28×17.6-6.28×23.3-6.28×9.1
=-6.28×(17.6+23.3+9.1)
=-6.28×50
=-314

-314

-6.28×17.6+6.28×(-23.3)-1.57×36.4=-314

-6.28×17.6+6.28×(-23.3)-1.57×36.4
=-6.28×17.6-6.28×23.3-6.28×9.1
=-6.28×(17.6+23.3+9.1)
=-6.28×50
=-314