Sagot :
bonjour
B 1 = 15r² - 1 2r
B 2 = 20 t - 25
B 3 = ( - n ) ( - 33 ) = 33 n
B 5 = - z - 36
Bonjour,
Développer:
B1 = 3r (5r - 4) = 15r²-12r
B2 = (- 4t+5) * (-5) = 20t-25
B3 = (- n) (11*(-3)) = -n(-33)= 33 n
B5 = - 32 - 7+3 - Z= -Z -36
bonjour
B 1 = 15r² - 1 2r
B 2 = 20 t - 25
B 3 = ( - n ) ( - 33 ) = 33 n
B 5 = - z - 36
Bonjour,
Développer:
B1 = 3r (5r - 4) = 15r²-12r
B2 = (- 4t+5) * (-5) = 20t-25
B3 = (- n) (11*(-3)) = -n(-33)= 33 n
B5 = - 32 - 7+3 - Z= -Z -36