Question

a) 3+3+3+3

b) a + a + a + a + a +a + a =

c) x² + x² + x² + x²=

d) h + h + h =

me ajudem help me :(​

Answer 1

Resposta:

$a) 12 \\ b)7a \\ c)4x { }^{2} \\ d)3h$