一根木头，锯成4段要付锯板费1元，如果要锯成13段，要付锯板费多少元？9[*@1^1Y1L'Q/B's*e0W(?.A0w
算式：提示;~2?:j*h5z+O9[*@1^1Y1L'Q/B's*e0W(?.A0w
答：要付锯板费6Z2I2n-T'['L5y+g3e4A0t8d(I7w:?:E3n元。9[*@1^1Y1L'Q/B's*e0W(?.A0w