题目内容
| 计算下面各题,能简算的要简算 97-12×6+43 | 99×38+38 | 67+25+33+75 |
| 103×12 | 528-53-47 | 26×4-125÷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.
=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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