简算13.75-(6.25-4.86)-9.86

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简算13.75-(6.25-4.86)-9.86简算13.75-(6.25-4.86)-9.86简算13.75-(6.25-4.86)-9.8613.75-6.25+4.86-9.86=13.75-6

简算13.75-(6.25-4.86)-9.86
简算13.75-(6.25-4.86)-9.86

简算13.75-(6.25-4.86)-9.86
13.75-6.25+4.86-9.86
=13.75-6.25-(9.86-4.86)
=7.5-5
=2.5

13.75-(6.25-4.86)-9.86
=13.75-6.25+4.86-9.86
=(13.75-6.25)-(9.86-4.86)
=7.5-5
=2.5

13.75-6.25+4.86-9.86