Quiz about Introduction au calcul littéral

Question 1

$$a^2\ +\ 3a^2\ =$$

Accepted Answer

$$4a^2$$

Answer

$$3a^2$$

Answer

$$4a^4$$

Question 2

$$-2a^2b^3\ -15a^2b^3$$

Accepted Answer

$$-17a^2b^3$$

Answer

$$17a^2b^3$$

Answer

$$13a^2b^3$$

Question 3

$$56x^2y\ +\ 32xy^2=$$

Accepted Answer

$$56x^2y\ +\ 32xy^2$$

Answer

$$88x^2y^2$$

Answer

$$88x^3y^3$$

Question 4

$$x-7x-2+3x-7=$$

Accepted Answer

$$-9-3x$$

Answer

$$11x-9$$

Answer

$$3x+9$$

Question 5

$$4x^2+3x-2+5x^2-4$$

Accepted Answer

$$9x^2+3x\ -6$$

Answer

$$12x^2+6$$

Answer

$$12x^2-6$$

Question 6

$$12n-\left(-m\right)+3=$$

Accepted Answer

$$12n+m+3$$

Answer

$$15n\ -m$$

Answer

$$12n-m+3$$

Question 7

$$15e\ -\ 5c\ +5-15+\left(-e\right)=$$

Accepted Answer

$$14e\ -\ 5c\ -10$$

Answer

$$14e\ -5c\ +5-15$$

Answer

$$16e\ +10-5c$$

Question 8

$$-6c^2d^4+7-8c^2d^4-9=$$

Accepted Answer

$$-14c^2d^4-2$$

Answer

$$-6c^2d^4+7-8c^2d^4-9$$

Answer

$$2c^2d^4+2$$

Question 9

$$-15e^2t\ -5+20\ -52e^2t=$$

Accepted Answer

$$-67e^2t\ +\ 15$$

Answer

$$-15e^2t\ -5+20\ -52e^2t$$

Answer

$$67e^2t\ -\ 15$$

Question 10

$$35t^2xy\ +\ 34\ -\ t^2xy\ +18\ -x=$$

Accepted Answer

$$34t^2xy+52-x$$

Answer

$$35t^2xy\ +\ 34\ -\ t^2xy\ +18\ -x$$

Answer

$$33t^2xy+52$$

Question 11

$$100c\ -45+\left(-25c\right)+10-75c+35=$$

Accepted Answer

0

Answer

$$50c\ -20$$

Answer

$$-50c+20$$

Question 12

$$17st-23+6st-14-\left(-4st\right)=$$

Accepted Answer

$$27st\ -37$$

Answer

$$-27st+9$$

Answer

$$19st\ -37$$

Question 13

$$-\left(-56\right)+17vw-18+6v+28vw=$$

Accepted Answer

$$38+45vw+6v$$

Answer

$$74-45vw-6v$$

Answer

$$-74+45vw+6v$$

Question 14

$$-7d^2y\ +\ 35\ -\ 7d^2y\ -18x\ +8=$$

Accepted Answer

$$-14d^2y\ +43-18x$$

Answer

$$14d^2y\ +27-18x$$

Answer

$$-7d^2y\ +\ 35\ -\ 7d^2y\ -18x\ +8$$

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