简便方法计算18.36-2.25+1.64-4.75=还有5.36-2.78-2.36全部简便方法计算!

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简便方法计算18.36-2.25+1.64-4.75=还有5.36-2.78-2.36全部简便方法计算!
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简便方法计算18.36-2.25+1.64-4.75=还有5.36-2.78-2.36全部简便方法计算!
简便方法计算18.36-2.25+1.64-4.75=
还有
5.36-2.78-2.36
全部简便方法计算!

简便方法计算18.36-2.25+1.64-4.75=还有5.36-2.78-2.36全部简便方法计算!
18.36-2.25+1.64-4.75
=18.36+1.64-(2.25+4.75)
=20-7
=13
5.36-2.78-2.36
=5.36-2.36-2.78
=3-2.78
=0.22