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1点87乘9点9加0点187怎样简便计算

1.87×9.9+0.187 =1.87×9.9+1.87×0.1 =1.87×(9.9+0.1) =1.87×10 =18.7

=187-74-87 =187-87-74 =100-74 =26

99Ⅹ|87十187 =187x(99+1) =187x100 =18700 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

187-87÷3 =100+87-87×(1/3) =100+87×(1-1/3) =100+87×2/3 =100+58 =158

187×16-16×87 =(187-87)×16 =100×16 =1600

187-(87+22) =187-87-22 =100-22 =78

=187-23-87 =187-87-23 =100-23 =77

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