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用递等式计算800-524+37654÷6×1552400-(853-268)9×38+9×62240×5-4903880-408×5

题目详情
用递等式计算
800-524+376      54÷6×155      2400-(853-268)
9×38+9×62      240×5-490      3880-408×5
用递等式计算
800-524+376      54÷6×155      2400-(853-268)
9×38+9×62      240×5-490      3880-408×5

800-524+376      54÷6×155      2400-(853-268)
9×38+9×62      240×5-490      3880-408×5
800-524+376      54÷6×155      2400-(853-268)9×38+9×62      240×5-490      3880-408×5800-524+376      54÷6×155      2400-(853-268)800-524+376      54÷6×155      2400-(853-268)9×38+9×62      240×5-490      3880-408×59×38+9×62      240×5-490      3880-408×5
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答案和解析
(1)800-524+376  
=276+376
=652

(2)54÷6×155 
=9×155
=1395

(3)2400-(853-268)
=2400-585
=1815

(4)9×38+9×62 
=(38+62)×9
=100×9
=900

(5)240×5-490 
=1200-490
=710

(6)3880-408×5
=3880-2040
=1840