厉害
(1-1/3+1/5-1/7+1/9-1/11+1/13-1/15+1/17)×4
4个回答
相关问题
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计算:1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.19=______.
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计算:1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.19=______.
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计算:1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.19=______.
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1/1*3*5+1/3*5*7+1/5*7*9+1/7*9*11+1/9*11*13+1/11*13*15怎么计算
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1/11×13+1/13×15+1/15×17+1/17×19+1/38
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找规律.速答-1 ,-1/3 ,1/5,1/7 ,-1/9 ,-1/11 ,1/13 ,1/15 ,-1/17 ,-1/
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1,-3,5,-7,9,-11,13,-15,17
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1/(1×3×5)+1/(3×5×7)+1/(5×7×9)+1/(7×9×11)+1/(9×11×13)的简便算法
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1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15