题目内容

列竖式计算并验算。
(1)9.85+63.46=
                           验算:
(2)30-19.009=
                          验算:
(3)32.47+8.74=
                           验算:

(4)65-27.08=
                          验算:

(5)0.86+8.24=
                          验算:
(6)12.03-9.83=
                           验算:
(1)            9.85
             +    63.46  
                   73.31
验算:73.31-63.46=9.85
(2)          30
             -     19.009  
                   10.991
验算:10.991+19.009=30
(3)             32.47
               +       8.74  
                       41.21
验算:41.21-8.74=32.47
(4)            65
             -       27.08 
                     37.92
验算:37.92+27.08=65
(5)              0.86
                +     8.24  
                       9.1
验算:9.1-8.24=0.86
(6)            12.03
              -       9.83  
                      2.2
验算:2.2+9.83=12.03
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