la respuesta es sencilla:
M(A,Z)c² + Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d -M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d M(A,Z)c² = Nmnc² + Zmpc² - uvA + ur(N - Z)²A-1 + ucZ²A-1/3 + usA2/3 + d =4
la respusta es: 4=a pez