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We have indeed set constellations in the heavens and have beautified them for the beholders, 16 And We guard it against every accursed Shaitan, 17 Except for he who steals the listening and is then pursued by a visible flame. 18 And the earth have We spread out, and placed therein firm hills, and caused each seemly thing to grow therein. 19 And We have made in it means of subsistence for you and for him for whom you are not the suppliers. 20 And there is not a thing, but with Us are the stores thereof. And We send it not down except in a known measure. 21 And We let loose the winds to fertilize [plants] and We send down water from the skies and let you drink thereof: and it is not you who dispose of its source 22 Truly, it is We who bring to life and We who cause death and We are the inheritor of all things. 23 And indeed We know those among you who came forward and indeed We know those among you who remained behind. 24 Assuredly it is thy Lord Who will gather them together: for He is perfect in Wisdom and Knowledge. 25
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ملاحظات وتعليمات
Notes and Instructions
كيف تعمل منظومة تمارين الحفظ؟ عند أدنى مستوى 0، تكون كل الكلمات ظاهرة. بينما يُخفي أعلى مستوى 9 كل الكلمات. فكيف تعمل المستويات المتوسطة، مثل 3، على سبيل المثال؟ قد تعتقد بأن المنظومة تخفي 3 من كل تسع كلمات بدقة. ليس تماما! في المستوى 3، لكل كلمة فرصة اختفاء بنسبة 3 من 9، و6 من 9 لتكون ظاهرة. بمعنى آخر، من الممكن، ولكن باحتمال شبة معدوم، أن تكون جميع كلمات المستوى 3 مخفية، أو أن تكون جميعها ظاهرة! وكذلك أيضًا، ففي المستويات المتوسطة، وبما يتناسب مع مستوى الصعوبة، يمكن أن تكون المخابئ غير كاملة أو شفافة جزئيًا بحيث تظهر الكلمات جزئيًا تحتها.
How does the memorization exercise algorithm work? At the lowest level 0, all words are visible. While the highest level 9 hides all words. What about at mid-level, like 3, for example? You might think that the algorithm hides precisely 3 out of every nine words. Not quite! At level 3, each word has a 3 out of 9 chance to hide, and 6 out of 9 to be visible. In other words, it is possible, but highly unlikely, for all words at level 3 to be hidden, or, that all of them to be visible! Also, at mid-levels, and in proportion to the difficulty level, hideouts can be partially incomplete or transparent so that words may be partially visible underneath.
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