(52.31−24.18)+(74.69−35.82)用脱式怎么计算?
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解:(52.31-24.18)+(74.69-35.82)=52.31-24.18+74.69-35.82
=52.31+74.69-24.18-35.82=
52.31+74.69-(24.18+35.82)=
127-60=67
=52.31+74.69-24.18-35.82=
52.31+74.69-(24.18+35.82)=
127-60=67
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(52.3124.18)+(74.6935.82)用脱式这么计算:
(52.31−24.18)+(74.69−35.82)
=52.31−24.18+74.69−35.82
=52.31+74.69−(35.82+24.18)
=127-60
=67
(52.31−24.18)+(74.69−35.82)
=52.31−24.18+74.69−35.82
=52.31+74.69−(35.82+24.18)
=127-60
=67
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解:(52.31-24.18)+(74.69-35.82)
=(52.31+74.69)-(24.18+35.82)
=127-60
=67
=(52.31+74.69)-(24.18+35.82)
=127-60
=67
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