1/17
1/17×4/9+5/17×1/9
1个回答
相关问题
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[4/1×5]+[4/5×9]+[4/9×13]+[4/13×17]+[4/17×21]= ___ .
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计算: 1/1×5+1/5×9+1/9×13+1/13×17+1/17×21+1/21×25 456+979×455/4
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1.(1.3×3.9×11.7+3×9×27+1/17×3/17×9/17)/(1.3×2.6×3.9+3×6×9+1/
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17/5×7/9+2/17×5/9+8/17×5/9 简便计算
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计算:[1/5×9]+[1/9×13]+[1/13×17+…
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3/17×5.4+0.37×30/17+9.1÷17/14(简便计算)
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(1/51+5/18)×9×17
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简算;17分之1×9分之4+17分之5×9分之1
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89又17/18×(-9)=?今天就要.顺便还有一个.(2/3-4/9+5/27)27-1又1/17×8+1/17×8=
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15/17÷9+1/9×15/17