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用递等式计算.254-120÷15;(55-26)×17;615÷(24+17)
题目详情
用递等式计算.
254-120÷15; (55-26)×17; 615÷(24+17)
254-120÷15; (55-26)×17; 615÷(24+17)
▼优质解答
答案和解析
(1)254-120÷15
=254-8
=246;
(2)(55-26)×17
=29×17
=493;
(3)615÷(24+17)
=615÷41
=15.
=254-8
=246;
(2)(55-26)×17
=29×17
=493;
(3)615÷(24+17)
=615÷41
=15.
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