计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少要有过程
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计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少要有过程计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少要有过程计算4.25+(-16.45)-(-31
计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少要有过程
计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少
要有过程
计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少要有过程
4.25+(-16.45)-(-31/4)-2.55+6
=4.25+(-16.45)-(-7.75)-2.55+6
=4.25-16.45+7.75-2.55+6
=18-19
=-1
4.25+(-16.45)-(-31/4)-2.55+6
=4.25-16.45+7.75-2.55+6
=18.25-19
=-0.75
-1
计算4.25+(-16.45)-(-31/4)-2.55+6的结果是多少 ?
4.25+(-16.45)-(-31/4)-2.55+6
=4.25+(-16.45)-(-7.75)-2.55+6
=4.25-16.45+7.75-2.55+6
=18-19
=-1