15.7-3.75-4.25 简便算
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15.7-3.75-4.25简便算15.7-3.75-4.25简便算15.7-3.75-4.25简便算15.7-3.75-4.25=15.7-(3.75+4.25)=15.7-8=7.7=15.7-(
15.7-3.75-4.25 简便算
15.7-3.75-4.25 简便算
15.7-3.75-4.25 简便算
15.7-3.75-4.25
=15.7-(3.75+4.25)
=15.7-8
=7.7
=15.7-(3.75+4.25)
=15.7-8
=7.7
15.7-3.75-4.25=15-(3.75+4.25)=15-8=7
15.7-3.75-4.25=15.7-(3.75+4.25)=15.7-8=7.7
=15.7-(3.75+4.25)
=15.7-8
=7.7
15.7-(3.75+4.25)
=15.7-8
=7.7