4.75-2.17+5.25-6.83简便计算

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4.75-2.17+5.25-6.83简便计算4.75-2.17+5.25-6.83简便计算4.75-2.17+5.25-6.83简便计算4.75-2.17+5.25-6.83=(4.75+5.25)

4.75-2.17+5.25-6.83简便计算
4.75-2.17+5.25-6.83简便计算

4.75-2.17+5.25-6.83简便计算
4.75-2.17+5.25-6.83
=(4.75+5.25)-(2.17+6.83)
=10-9
=1

4.75-2.17+5.25-6.83
=(4.75+5.25)-(2.17+6.83)
=10-9
=1

=(4.75+5.25)-(2.17+6.83)
=10-9
=1

(4.75+5.25)-(2.17+6.83)
=10-9
=1