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(1)475+329=验算:(2)613-326=验算:(3)948-399=验算:(4)1297+793=验算:

题目详情
(1)475+329=
                       验算:
(2)613-326=
                       验算:
(3)948-399=
                       验算:
(4)1297+793=
                       验算:
▼优质解答
答案和解析
(1)      475
           +   329 
               804
验算:804-475=329
(2)     613
           -   326  
              287
验算:287+326=613
(3)      948
          -   399 
              549
验算:549+399=948
(4)     1297
         +     793 
              2090
验算:2090-1297=793