Find the value, including the decimal point, of subtracting the possible smallest from the largest of the two decimal numbers that becomes 1.7 when rounded to two decimal places.
1.74 1.65 [OP_SUB]
var_a = 1.74
var_b = 1.65
var_c = var_a - var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))