calculer :
A = 7² + (- 2)⁵ x 6
B = 5⁴ ÷ (7 - 2)² - 30
C = -3 x 2-² + 7³
(puissance -2)
D = 10² - 6 x (4² - 10)
A = 7² + (- 2)⁵ x 6
B = 5⁴ ÷ (7 - 2)² - 30
C = -3 x 2-² + 7³
(puissance -2)
D = 10² - 6 x (4² - 10)
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B= 5^4/5^2-30=5^2-30=25-30=-5
C=-3x1/2^2+343=3x1/4+343=-3/4+343=(-3+1372)/4=1369/4
D=100-6x(16-10)=100-6x6=100-36=64