题目内容
脱式计算
| 44×20-840÷21 | 45×13×4 | 588÷(123-119) | 900÷25×4. |
(1)44×20-840÷21,
=880-40,
=840;
(2)45×13×4,
=585×4,
=2340;
(3)588÷(123-119),
=588÷4,
=147;
(4)900÷25×4,
=36×4,
=144.
=880-40,
=840;
(2)45×13×4,
=585×4,
=2340;
(3)588÷(123-119),
=588÷4,
=147;
(4)900÷25×4,
=36×4,
=144.
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