Bonsoir
A = 11/5 - 3/4 = 44/20 - 15/20 = 29/20
B = 5/3 - 4/3 * 6/7 = 5/3 - 24/21 = 35/21 - 24/21 = 11 /21
C = 5 ⁸ / 5 ³ = 5 ⁵
D = 1 - 6 = - 5
E = 3 - 2√3 + 1 = 4 - 2 √3
F = 9 + 12 √2 + 8 = 17 + 12 √2
G = 7 √3 - 2 √12 + 3 √27 = 7 √3 - 2 √3 *2² + 3 √3*3²
= 7√3 - 4√3 + 9 √3 = 12√3
H = √18 - √2 - 2 √20 = √ 2 *3² - √2 - 2 √5 x 2²
= 3√2 - √2 - 4 √5 = 2 √2 - 4 √5
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Bonsoir
A = 11/5 - 3/4 = 44/20 - 15/20 = 29/20
B = 5/3 - 4/3 * 6/7 = 5/3 - 24/21 = 35/21 - 24/21 = 11 /21
C = 5 ⁸ / 5 ³ = 5 ⁵
D = 1 - 6 = - 5
E = 3 - 2√3 + 1 = 4 - 2 √3
F = 9 + 12 √2 + 8 = 17 + 12 √2
G = 7 √3 - 2 √12 + 3 √27 = 7 √3 - 2 √3 *2² + 3 √3*3²
= 7√3 - 4√3 + 9 √3 = 12√3
H = √18 - √2 - 2 √20 = √ 2 *3² - √2 - 2 √5 x 2²
= 3√2 - √2 - 4 √5 = 2 √2 - 4 √5