EXPRESSions MATHÉMATIQUES: Guide de base (Comment trouver chaque expression)

Ce guide fournit des conseils sur la façon de jouer aux expressions mathématiques!

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Introduction de base

Expressions mathématiques is a game where you try to find out certain math expressions for each level. As of the time of typing this there are 5 spaces for numbers or arithmetic character operands (+,-,*,/,^). The base game only has these 5 arithmetic operands, une addition, subtraction, multiplication, division and exponential. There are a few hints the game gives you to help guide you in the right direction, however these hints aren’;t directly shown in game if you are blindly guessing expressions. In this guide I will be discussing methods that can be taken to find out each expression.

How to play Math Expressions

First Lets Examine the basics of Math Expressions

As we open the game for the first time we can see that the only arithmetic operand is the plus sign (une addition). Since this is the first expression we are requested to solve for, it’;s safe to say that the plus will go in the second space for this round of expressions. The equals (;=”;) sign will always go in the 4th spot within the 5 space expression space. Typically when we see a new arithmetic operand added to our above list (not grayed out anymore; voir image ci-dessous), that operand is to be used within the first expression.
*This image shows the operand list with some unlocked and some locked*

Par exemple: When the multiplication symbol appears on the next expression question, its safe to say we’;re finding a product expression (expression with multiplication).

;Recognizing Hints from the game”;

In order to help players find expressions its worth noting that there are three types of space underlines. A squiggle red, a dashed yellow, and a scribble green. A squiggle red underline means your input for that expression is wrong. Un pointillé jaune signifie que le nombre que vous avez mis dans votre expression est correct, mais au mauvais endroit dans l'expression. Un soulignement vert griffonné signifie que votre numéro/entrée est correct pour cet espace.

Dans l'exemple ci-dessous, vous pouvez voir, de la première ligne, the “;9”;, ;-“;, and “;=”; sont dans le bon espace. pourtant, the “;7”; &; ;2”; sont incorrects pour cette expression. J'ai essayé deux nombres différents dans la ligne suivante. Vous pouvez voir qu'ils ont la ligne jaune pointillée en dessous d'eux, ce qui signifie qu'ils ont juste besoin d'être échangés dans l'expression pour qu'elle soit correcte. The third line shows our correct expression.

Stratégie

The basic strategy I’;ve found is to guess your first expression based off of whether there is a new operand or not and pure guess. The next guess can be used to determine and correct a wrong sign. For these guesses (following the very first guess) try to spread out guesses on the spectrum of allowed numbers and use common sense.
For example you cant have more than 1 digit numbers in this case. Also I tend to find less success if you guess incrementally by 1 from your previous guess, instead of jumping from say 3 to 7. Vous aurez peut-être plus de chance si vous espacez vos suppositions numériques.

En résumé

  • Devinez d'abord en vous basant sur des indices contextuels (pour première estimation, comme si un nouvel opérande était ajouté)
  • Utilisez la première estimation et révisez les nombres ou les opérandes en conséquence (tout en gardant un œil sur les soulignements)
  • Utiliser le bon sens (comme mentionné)
  • Changez les choses si vous devez
  • Always have the “;=”; in the 4th space in the 5 space expressions

J'espère que cela a été utile à certains d'entre vous!!!

Plus d'explications (if you didn’;t quite understand the steps)


Explanation 1
For this expression you can see I have the 5 &; 6 incorrect, and the 1 in the wrong spot. So within the next few steps I guessed until I found another number that was in the wrong spot, but in the expression otherwise. In guess 4, you can see I correctly relocated the 8 I guessed to the opposite side of the equals sign. In guess 5 you can see that I didn’;t follow the previously listed method and tried to test something out (not relevant to this explanation). Then in the final guess you can see that I flipped the 7 &; 1’;s locations from guess 4. Something interesting worth noting here for addition expressions: In the world of mathematics 1+7=8 and 7+1=8 are correct either way because of the commutative law of addition.


Explanation 2
Here you can see with my first guess 2,*, and 3 are incorrect and 6 is in the wrong spot. Since 6 is a larger number in our range from 0 to 9, I assumed it would go on the first spot of the expression, and a minus sign (since adding anything larger than 3 would give us a double digit number, which we cant have). In guess 3 you can see I guessed correctly in terms of 5 &; 1, et seulement nécessaires pour échanger leurs emplacements dans l'expression pour obtenir la bonne réponse.

Par Haz

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