1 |
2 |
4 |
7 |
11 |
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36 |
30 |
24 |
18 |
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9元=角 1元=分
29+4= 21-4= 27-10= 40+20+8=
30+26= 8+13= 25+20= 5+(3+2)=
17-10= 36-3= 26+7= 76-6-8=
5+30= 40-40= 59-30= 43-(3+27)=
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