小学数学题3-2/(1*2)-7/(1*2*3)-14/(1*2*3*4)-····-98/(1*2*3*···*10)=?

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小学数学题3-2/(1*2)-7/(1*2*3)-14/(1*2*3*4)-····-98/(1*2*3*···*10)=?
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小学数学题3-2/(1*2)-7/(1*2*3)-14/(1*2*3*4)-····-98/(1*2*3*···*10)=?
小学数学题3-2/(1*2)-7/(1*2*3)-14/(1*2*3*4)-····-98/(1*2*3*···*10)=?

小学数学题3-2/(1*2)-7/(1*2*3)-14/(1*2*3*4)-····-98/(1*2*3*···*10)=?
等于1