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最佳答案:1:73×5= 2:62×2= 3:37×7= 4:11×7= 5:83×7= 6:14×4= 7:87×7= 8:43×9= 9:88×0= 10:95×3=
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最佳答案:2x13= 7x64= 7x42= 9x45= 8x36=87x6= 98x4= 7x92= 13x9= 76x4=81x3= 94x5= 83x2= 99x3