set_custom_totals_row_Formula método set_custom_totals_row_Formula(Formula, is_r1c1, is_local) Obtiene la fórmula de ......set_custom_totals_row_formula método set_custom_totals_row_formula(formula, is_r1c1...set_custom_totals_row_formula ( self , formula , is_r1c1 , is_local...