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用递等式计算.744÷[(92-84)×3]25×(148+576÷32)[368-(132+129)]×34(625-25×4)÷(20+5×3).

题目详情
用递等式计算.
744÷[(92-84)×3]
25×(148+576÷32)
[368-(132+129)]×34
(625-25×4)÷(20+5×3).
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答案和解析
(1)744÷[(92-84)×3]
=744÷[8×3]
=744÷24
=31

(2)25×(148+576÷32)
=25×(148+18)
=25×166
=4150

(3)[368-(132+129)]×34
=[368-261]×34
=107×34
=3638

(4)(625-25×4)÷(20+5×3)
=(625-100)÷(20+15)
=525÷35
=15