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A = 5/7 - 2/7 X 4/3 = 5/7 - 8/21 = 15/21 - 8/21 = 7/21 = 1/3 B = (4x + 3)(7x -2) 28 x² - 8x + 21x - 6 28 x² + 13 x - 6 C = (6 x 10P-2 x 15 x 10P17) Ici, tu multiplies les entiers entre eux puis les P10 (8 x 10P2) 6 x 15 X 10 P-2+17 = 90 X 10 P 15 -2 = 11,25 X 10 P 13 = 1,125 X 10 P14 8 X 10 P2 8
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4) B = (4x + 3)(7x -2) = 28 x^2 - 8x + 21x - 6 = 28 x^2 + 13 x - 6
5) C = (6 x 10^-2 x 15 x 10^17)/(8 x 10^2) = ((6 x 15)/8) x ((10^-2 x 10^17) x 10^2) = 11,25 10^13 = 1,125 x 10^14
B = (4x + 3)(7x -2)
28 x² - 8x + 21x - 6
28 x² + 13 x - 6
C = (6 x 10P-2 x 15 x 10P17) Ici, tu multiplies les entiers entre eux puis les P10
(8 x 10P2)
6 x 15 X 10 P-2+17 = 90 X 10 P 15 -2 = 11,25 X 10 P 13 = 1,125 X 10 P14
8 X 10 P2 8