题目内容
脱式计算.
| 124×5+159÷3 | 48×(103+97)-221. |
(1)124×5+159÷3,
=620+53,
=673;
(2)48×(103+97)-221,
=48×200-221,
=9600-221,
=9379.
=620+53,
=673;
(2)48×(103+97)-221,
=48×200-221,
=9600-221,
=9379.
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