问题 解答题
脱式计算.
18×(120÷8)(50+59)×4037×(248-42)
答案

(1)18×(120÷8),

=18×15,

=270;

(2)(50+59)×40,

=109×40,

=4360;

(3)37×(248-42),

=37×206,

=7622.

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