Question

ex 4 repede, dau coroana , urgenttt!!!!!!!!

Answer 1

c = 2'38 *( 1 + 2 + 2'2 ) : 7
c = 2'38 * 7 : 7
c = 2'38 * 1
c = 2'38
c = (2'19)'2

Answer 2

c = (2⁴⁰ + 2³⁹ + 2³⁸) : 7

c = 2³⁸(2² + 2¹ + 2⁰) : 7

c = 2³⁸(4 + 2 + 1) : 7

c = 2³⁸ₓ7 : 7

c = 2³⁸

c = (2¹⁹)² patrat perfect