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(1)215+370+85(2)(569+468)+(432+101)+30(3)363×56-263×56(4)360÷4÷9(5)(83-47)×25+72×36+36×103(6)56×49+56(7)420÷35

题目详情
(1)215+370+85 (2)(569+468)+(432+101)+30
(3)363×56-263×56 (4)360÷4÷9
(5)(83-47)×25+72×36+36×103 (6)56×49+56
(7)420÷35
(1)215+370+85 (2)(569+468)+(432+101)+30 (3)363×56-263×56 (4)360÷4÷9 (5)(83-47)×25+72×36+36×103 (6)56×49+56 (7)420÷35 (1)215+370+85 (2)(569+468)+(432+101)+30 (1)215+370+85 (2)(569+468)+(432+101)+30 (3)363×56-263×56 (4)360÷4÷9 (3)363×56-263×56 (4)360÷4÷9 (5)(83-47)×25+72×36+36×103 (6)56×49+56 (5)(83-47)×25+72×36+36×103 (6)56×49+56 (7)420÷35 (7)420÷35
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答案和解析
(1)原式=215+85+370
                =300+370
                =670
(2)原式=(569+101+30)+(432+468)
                =700+900
                =1600
(3)原式=(363-263)×56
                =100×56
                =5600
(4)原式=360÷(4×9)
                =360÷36
                =10
(5)原式=(25+72+103)×36
                =200×36
                =7200
(6)原式=56×(49+1)
                =56×50
                =2800
(7)原式= 420÷7÷5
                =60÷5
                =12
(1)原式=215+85+370
                =300+370
                =670 (2)原式=(569+101+30)+(432+468)
                =700+900
                =1600 (3)原式=(363-263)×56
                =100×56
                =5600 (4)原式=360÷(4×9)
                =360÷36
                =10 (5)原式=(25+72+103)×36
                =200×36
                =7200 (6)原式=56×(49+1)
                =56×50
                =2800 (7)原式= 420÷7÷5
                =60÷5
                =12 (1)原式=215+85+370
                =300+370
                =670 (2)原式=(569+101+30)+(432+468)
                =700+900
                =1600 (1)原式=215+85+370
                =300+370
                =670 (1)原式=215+85+370
                =300+370
                =670 (2)原式=(569+101+30)+(432+468)
                =700+900
                =1600 (2)原式=(569+101+30)+(432+468)
                =700+900
                =1600 (3)原式=(363-263)×56
                =100×56
                =5600 (4)原式=360÷(4×9)
                =360÷36
                =10 (3)原式=(363-263)×56
                =100×56
                =5600 (3)原式=(363-263)×56
                =100×56
                =5600 (4)原式=360÷(4×9)
                =360÷36
                =10 (4)原式=360÷(4×9)
                =360÷36
                =10 (5)原式=(25+72+103)×36
                =200×36
                =7200 (6)原式=56×(49+1)
                =56×50
                =2800 (5)原式=(25+72+103)×36
                =200×36
                =7200 (5)原式=(25+72+103)×36
                =200×36
                =7200 (6)原式=56×(49+1)
                =56×50
                =2800 (6)原式=56×(49+1)
                =56×50
                =2800 (7)原式= 420÷7÷5
                =60÷5
                =12 (7)原式= 420÷7÷5
                =60÷5
                =12 (7)原式= 420÷7÷5
                =60÷5
                =12