1/2-1/8=3/8
利用规律计算1/6+1/12+1/20+1/30+1/42+1/56
2个回答
相关问题
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1/6+1/12+1/20+1/30+1/42+1/56+1/72 找规律并计算
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根据1/12=1/3-1/4的规律计算下题1/12+1/20+1/30+1/42+1/56,
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计算1/2-1/6-1/12-1/20-1/30-1/42-1/56等于多少?
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1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90简便计算
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1.计算:1 - 1/2 - 1/6- 1/12 - 1/20 - 1/30 - 1/42 - 1/56 - 1/72
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计算:1/2+1/6+1/12+1/20+/+1/30+1/42+1/56+1/72+1/90
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计算1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
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数学探索规律2/1+6/1+12/1+20/1+30/1+42/1+56/1+72/1+90/1=?
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1/6+1/12+1/20+1/30+1/42+1/56=多少
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1/6+1/12+1/20+1/30+1/42+1/56+.+1/9900