题目内容
脱式计算.
| 26+14×(70-30) | 48-40÷8×9. |
(1)26+14×(70-30),
=26+14×40,
=26+560,
=586;
(2)48-40÷8×9,
=48-5×9,
=48-45,
=3.
=26+14×40,
=26+560,
=586;
(2)48-40÷8×9,
=48-5×9,
=48-45,
=3.
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题目内容
| 26+14×(70-30) | 48-40÷8×9. |