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计算下列各题,能简算的用简便方法计算.

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计算下列各题,能简算的用简便方法计算.
26-3.17-7.83

67×38+33×38

125×25×64
29.38-(19.38-4.76) 329×87-87×29 5.8-3.62-0.38+0.2.
计算下列各题,能简算的用简便方法计算.
(1)26-3.17-7.83,
=26-(3.17+7.83),
=26-11,
=15;

(2)67×38+33×38,
=(67+33)×38,
=100×38,
=3800;

(3)125×25×64,
=125×25×4×8,
=(125×8)×(25×4),
=1000×100,
=100000;

(4)29.38-(19.38-4.76),
=29.38-19.38+4.76,
=10+4.76,
=14.76;

(5)329×87-87×29,
=(329-29)×87,
=300×87,
=26100;

(6)5.8-3.62-0.38+0.2,
=(5.8+0.2)-(3.62+0.38),
=6-4,
=2.