Bonsoir,
Calculer le plus simple possible:
A= (-2)(-2)(-2)+4x 2x2x2x2 -3x3= - 8+4(16)-9= -8+64-9= 47
B= (-4-(5x5x5)/(2x2x2x2 + 3 +5x5)= (4-125)/(16+3+25)= -121/44= - 11/4
C= 3- 5x5x(21- 3x2x2)⁴= 3-25(21-3x4)⁴= 3-25(21-12)⁴= 3-25(9x9x9x9)
= 3-25(6561) 3- 164 025= - 164 022