ðð ððððððð ððð ðððð ðððððð ðð $5 = 10 ððð ðððððð ðððð $10 = ððððððððð ððð ððððððððð ððððð $20 ððð ðð ððð ððððð + ððð ð ðððððð ðððð ððððð ððððð