题目内容
脱式计算.
| 18×(120÷8) | (50+59)×40 | 37×(248-42) |
(1)18×(120÷8),
=18×15,
=270;
(2)(50+59)×40,
=109×40,
=4360;
(3)37×(248-42),
=37×206,
=7622.
=18×15,
=270;
(2)(50+59)×40,
=109×40,
=4360;
(3)37×(248-42),
=37×206,
=7622.
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