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SVETLANKA909090 [29]
3 years ago
11

25 divided by 405 with working

Mathematics
1 answer:
kvasek [131]3 years ago
6 0
25:405=\frac{25}{405}=\frac{5\cdot5}{81\cdot5}=\frac{5}{81}

OR:
       <u>   0.0 6 1 7 2 5 9 2 3 4 5 6 7 9 0 1 2 </u>          
       2 5.0 0        :4 0 5
   -   <u>2 4 3 0    </u>
             7 0 0 
      -      <u>4 0 5   </u>  
             2 9 5 0
       -     <u>2 8 3 5    </u>
                1 1 5 0
         -         <u>9 1 0   </u>
                   2 4 0 0
           -       <u>2 0 2 5   </u>  
                      3 7 5 0
           -          <u>3 6 4 5   </u>      
                         1 0 5 0 
              -          <u>   9 1 0   </u>  
                            1 4 0 0
                    -       <u>1 2 1 5   </u>
                               1 8 5 0
                       -       <u>1 6 2 0   </u>  
                                  2 3 0 0     
                           -      <u>2 0 2 5   </u>  
                                     2 7 5 0
                             -      <u> 2 4 3 0    </u><u>
</u>                                        3 2 0 0 <u>
</u>                               -        <u>2 8 3 5   </u>
                                           3 6 5 0
                                    -      <u>3 6 4 5  </u> 
                                                    5 0 0          <u>
</u>                                     -            <u>  4 0 5    </u>
                                                       9 5 0
                                             -         <u>8 1 0</u>
                                                       1 4 0 

We've got the same difference before. That means numbers will be repeated.
So:
      25:405 = 0.0 6 1 7 2 5 9 2 (3 4 5 6 7 9 0 1 2)
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