写得数,标序号
1.60%*70%5.0.75-75%2.1.2+20%+0.66.0.7/40%3.8*45%7.80%/0.84.8*(1+25%)8.25*0.8...
1. 60%*70% 5 .0.75-75%
2. 1.2+20%+0.6 6. 0.7/40%
3. 8*45% 7. 80%/0.8
4. 8*(1+25%) 8. 25*0.8 展开
2. 1.2+20%+0.6 6. 0.7/40%
3. 8*45% 7. 80%/0.8
4. 8*(1+25%) 8. 25*0.8 展开
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