问题 计算题
列竖式计算并验算。
(1)8.73+3.26=
                           验算:
(2)108-18.57=
                          验算:
(3)0.38+2.62=
                           验算:
(4)6.47-3.74=
                          验算:
答案

(1)           8.73

            +      3.26   

                  11.99

验算:11.99-3.26=8.73(2)         108

             -     18.57   

                    89.43

验算:89.43+18.57=108

(3)           0.38

             +     2.62   

                    3

验算:3-2.62=0.38(4)        6.47

              -  3.74   

                  2.73

验算:2.73+3.74=6.47

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