Il Maraschini-Palma - volume 1

ARITMETICA E ALGEBRA 358 (2m 3n)(3m n) (m 4n)(5m 2n) n( 5n + 11m) [m2] 1 1 359 __x(2x + 4y) __y(3x 6y) x(x + y) [2y2] 2 3 1 1 1 360 __ (x 1) __x(x + 2) + __x 1 2 361 _1_ _3_ )(2 x + 1) (3 6 [ 2 ] y3 _1_ __ [6y 4 ] _3_ _2_ _1_ 2 _1_ _1_ _5_ (4 y 1)(3 y + 1) (2 y 6)(1 + 2 y)+ 6 362 (2m 3)(3m + 2) (5m2 + 2m + (m 5)(m 2)) [ 16] 363 (3c x)c2(c2 + x2 cx) c2(3c3 x3) + 4c2x(c2 x) [4c3x2 4c2x2] 364 (2x 3y)(3x y) (x 4y)(5x 2y) y( 5y + 11x) [x2] 365 (a3 3a2b + 3ab2 b3)(a + b) + 2ab(a2 b2) [a4 b4] 366 (z2 2z + 4)(z + 2) (z + 1)(z2 z + 1) _1_ _2_ _1_ _3_ _2_ _3_ _5_ [7] _1_ 38 _5_ 2 ___ _1_ 2 [ 4 p + 15 pq + 2 q ] 367 (2 p 3 q)(2 p 2 q) + (5 p + 2 q)(2 p 3 q) 368 _1_ _1_ _1_ 2 _1_ ( 2 a) (a 3 ab + 2b) 2 a b (1 + 6 a 2b) 2 2 _1_ 3 _1_ 3 [4a 6a b + a b ] 369 3 _2_ 3 _2_ _1_ 2 2 _1_ 2 4 (3 xy x )(3 xy + x ) (4 x y 2 x (x 1)) 7 2 2 _1_ 6 _1_ 2 ___ [ 36 x y 2 x 2 x ] 370 _1_ 2 _1_ _1_ _1_ _3_ (4 a 2 a 1)(2a 2) 4 a (1 4 a (1 a)) 371 2 2 _2_ _2_ _1_ (1 3 xy)( 3x) (1 3 x (x y 4 x)) 372 2 _1_ 2 _3_ _1_ 2 _3_ _1_ _9_ (3 a b 4 b)(2 a b + 4 b) 8 b ( a b 2 b) 2 2 374 2 ( _1_ _1_ 53 2 ___ 16 3 ___ [ 6 x 3 x y 1] _1_ 4 2 [6a b ] _1_ 1 1 1 1 373 __a3 __ 1 __a a __ 2( 5 3 ___ 15 2 ___ _1_ [ 16 a 16 a 2a + 2 ] 1 1 _3_ 3 ___ __ [ 4 a 16 a 2 ] a + )) 2)( 2 _1_ _1_ _1_ 4 _1_ 3 _1_ 2 [8a 4a 2a ] ((1 2 a (1 2 a) 2 a (a 1))(1 2 a) 1)a 375 (a2 2a(b 2c) + a(a 2b))(2b 1) 2a(b 1)(a 3b + c) 376 (3x2 x + 1)(2x2 + x 1)(x2 x + 1) [2a2b 2ab2 + 6abc 2ab 2ac] [6x6 5x5 + 3x4 + 5x3 5x2 + 3x 1] 377 (0,5a2 b + 0,¯ 3)(3b 2a) 3 2 _3_ 2 _2_ [ 2 a b a 3b + 2ab + b 3 a] Semplifica le seguenti espressioni e poi calcolane il valore sostituendo alle lettere i numeri indicati. 378 (a(4a + b) + b(a + b))(2a b) a = 2; b = 1 379 (2a + 1)(3a 2)(a + 3) + a(5 17a) + 6 [65] a=0 380 (a 1)(2a 5)(4a 3) (2a + 3)(2a + 3) 8a3 [0] a = 1 381 (x(2x + y) y(2x y))(x 2y) 2x(x2 3xy + y2) y(x2 xy y2) 2 3) 1 2 ( 11 3) 1 3 382 (3p 0,5) p + __ (p 1) + __p 3p + ___ __ ( 352 p = 1 [ 91] 1 x = __; y = 2 2 [4] [ 3]

Il Maraschini-Palma - volume 1
Il Maraschini-Palma - volume 1