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递等式计算.65×8+576÷32(342-18×12)÷9(335-20)÷(117÷13)468÷(48-216÷18)118+442÷17-5945×[720÷(80-44)].

题目详情
递等式计算.
65×8+576÷32      (342-18×12)÷9    (335-20)÷(117÷13)
468÷(48-216÷18)118+442÷17-59     45×[720÷(80-44)].
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答案和解析
(1)65×8+576÷32      
=520+18
=538

(2)(342-18×12)÷9  
=(342-216)÷9  
=126÷9
=14

(3)(335-20)÷(117÷13)
=315÷9
=35

(4)468÷(48-216÷18)
=468÷(48-12)
=468÷36
=13

(5)118+442÷17-59  
=118+26-59  
=144-59
=85

(6)45×[720÷(80-44)]
=45×[720÷36]
=45×20
=900