题目内容

计算下面各题,能简算的要简算
97-12×6+43
99×38+3867+25+33+75
103×12528-53-4726×4-125÷5.
(1)97-12×6+43,
=97-72+43,
=25+43,
=68;

(2)99×38+38,
=(99+1)×38,
=100×38,
=3800;

(3)67+25+33+75,
=(67+33)+(25+75),
=100+100,
=200;

(4)103×12,
=(100+3)×12,
=100×12+3×12,
=1200+36,
=1236;

(5)528-53-47,
=528-(53+47),
=528-100,
=428;

(6)26×4-125÷5,
=104-25,
=79.
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