如题所述
小数加减法的简便计算
5.76+13.67+4.24+6.33
=(5.76+4.24)+(13.67+6.33)
=10+10
=20
37.24+23.79-17.24
=37.24-17.24+23.79
=20+23.79
=43.79
5.76+13.67+4.24+6.33
=(5.76+4.24)+(13.67+6.33)
=10+10
=20
37.24+23.79-17.24
=37.24-17.24+23.79
=20+23.79
=43.79
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