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Calcul numérique

Authored by Hocine Slamani

Mathematics

8th Grade

Used 92+ times

Calcul numérique
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15 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 (5)2=\left(-5\right)^2=  

25

-25

-5²

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 26=2^6=  

 (2×3)2\left(2\times3\right)^2  

 22×232^2\times2^3  

 (22)3\left(2^2\right)^3  

 2×62\times6  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 4143=\frac{4^{-1}}{4^{-3}}=  

 1113\frac{1^{-1}}{1^{-3}}  

 (4)13\left(4\right)^{-1-3}  

 424^2  

 (14)2\left(\frac{1}{4}\right)^2  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 8×8×8×8×8×8×8×8-8\times8\times8\times8\times8\times8\times8\times8  

 888^8  

 (8)8\left(-8\right)^8  

 83×85-8^3\times8^5  

 81587-\frac{8^{15}}{8^7}  

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 92+12=\sqrt{9^2+1^2}=  

 102\sqrt{10^2}  

 2×41\sqrt{2}\times\sqrt{41}  

 9+1\sqrt{9+1}  

 82\sqrt{82}  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 24×2925×27=\frac{2^{-4}\times2^9}{2^5\times2^{-7}}=  

 213212\frac{2^{13}}{2^{12}}  

 2522\frac{2^5}{2^{-2}}  

 272^7  

 236235\frac{2^{-36}}{2^{-35}}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 154÷2116=\frac{15}{4}\div\frac{21}{16}=  

 15×214×16\frac{15\times21}{4\times16}  

 415×2116\frac{4}{15}\times\frac{21}{16}  

 207\frac{20}{7}  

 720\frac{7}{20}  

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