5.8.11.14.17.20
5.8.11().17.()
1个回答
相关问题
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3+5.8+11.49*5.8+11.49+17.34-3+5.8+11.49+17.34*5.8+11.49
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2/5 5/8 8/11 11/14 1 1/17=?
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8/17×11/16+5/17×1/2
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1/5*8+1/8*11+1/11*14+1/14*17+1/17*20=?怎样算
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3*( )+5=17 5*( )-4=16 12+7*()=40 7.5+5*( )=11.8 8*( )-15=17
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1/5*8 1/8*11 1/11*14 1/14*17 1/17*20 如何简算
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1/2*5+1/5*8+1/8*11+1/11*14+1/14*17=?
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3/2*5+3/5*8+3/8*11+3/11*14+3/14*17
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1/3*5+1/5*8+1/8*11+1/11*14+1/14*17+1/17*20的简便算法?
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用简便方法计算:1/(2*5)+1/(5*8)+1/(8*11)+1/(11*14)+1/(14*17)+1/(17*2