Répondre :
d= ( 12*2+3)(2*2-7)-(2*2-7)²
(24+3)(4-7)-(4-7)²
27*-3-(-3)²
-81-9
-90
(24+3)(4-7)-(4-7)²
27*-3-(-3)²
-81-9
-90
(12×2+3)(2×2-7)-(2×2-7)^2
(24+3)(4-7)-(4-7)^2
27×(-3)-[4^2-2×4×7+(-7)^2]
-81-(16-56+49)
-81-9
-90
(24+3)(4-7)-(4-7)^2
27×(-3)-[4^2-2×4×7+(-7)^2]
-81-(16-56+49)
-81-9
-90