17.2-5.36-4.64怎样简便计算
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17.2-5.36-4.64怎样简便计算
17.2-5.36-4.64怎样简便计算
17.2-5.36-4.64怎样简便计算
17.2-5.36-4.64
=17.2-(5.36+4.64)
=17.2-10
=7.2
=17.2-(5.36+4.64)=7.2
17.2-5.36-4.64
=17.2-(5.36+4.64)
=17.2-10
=7.2