Question

Dado el numeral capicúa:
(a + 3) (3b) (a + 1) (7 – a)

Calcula: a+b

Answer 1

Respuesta:

3

Explicación paso a paso:

a + 3 = 7 - a

2a = 4

a = 2

3b = a + 1

3b = 2 + 1

3b = 3

b = 1

= a + b

= 2 + 1

= 3