52.67-(15.24-27.33)+5.29= 写出过程?
3个回答
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52.67-(15.24-27.33)+5.29
=52.67+27.33-15.24+5.29
=80-(15-5)+(0.29-0.24)
=80-10+0.05
=70+0.05
=70.05
=52.67+27.33-15.24+5.29
=80-(15-5)+(0.29-0.24)
=80-10+0.05
=70+0.05
=70.05
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展开全部
52.67-(15.24-27.33)+5.29
=52.67-15.24+27.33+5.29
=(52.67+27.33)-15.24+5.29
=80-15.24+5.24+0.05
=80-10+0.05
=70+0.05
=70.05
=52.67-15.24+27.33+5.29
=(52.67+27.33)-15.24+5.29
=80-15.24+5.24+0.05
=80-10+0.05
=70+0.05
=70.05
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展开全部
=52.67-15.24+27.33+5.29
=52.67+27.33-(15.24-5.29)
=80-9.95
=7.05
=52.67+27.33-(15.24-5.29)
=80-9.95
=7.05
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