| 5 | |
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| 2 |
̳ () 1: 60
6 10 = 60 : 110= 55 %
̳ 1:
( - ): 110
60 + 50= 110 110: 200 = 55 %
1
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, * ( , 5, 4, 3, 2 , () ).
:
1:
120 = 110 ( ) + 10 .
10 × 11 = 110 .
1:
10 × 6 = 60 .
