题目内容
| 脱式计算. (336-87)×18 | (50+59)×48 | 37×(248-42) |
| 12×(702-188) | 208×30+67 | 50-50÷5+6. |
(1)(336-87)×18,
=249×18,
=4482;
(2)(50+59)×48,
=109×48,
=5232;
(3)37×(248-42),
=37×206,
=7622;
(4)12×(702-188),
=12×514,
=6168;
(5)208×30+67,
=6240+67,
=6307;
(6)50-50÷5+6,
=50-10+6,
=46.
=249×18,
=4482;
(2)(50+59)×48,
=109×48,
=5232;
(3)37×(248-42),
=37×206,
=7622;
(4)12×(702-188),
=12×514,
=6168;
(5)208×30+67,
=6240+67,
=6307;
(6)50-50÷5+6,
=50-10+6,
=46.
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