المصدر: 101 Short Cuts in Maths Any One Can Do في منتدى : قسم الرياضيات Gordon Rockmaker Frederick Fell Publishers 1975 | ISBN-10: 0883853396 | PDF | 100 MB 101 Short Cuts in Math Anyone Can Do will unlock the secrets of the art of calculation. It will increase your power of computation and thereby enable you to get more out of the mathematic you now know. You will soon be amazed at your ability to solve once complex problems quickly.
