tolong jawab dengan benar plisssss

a + b = 1 + (-6) = -5
a + b = 2 + 7 = 9
a + b = 3 + 8 = 11
a + b = -4 + 9 = 5
a + b = -5 + (-10) = -15

b + a = -6 + 1 = -5
b + a = 7 + 2 = 9
b + a = 8 + 3 = 11
b + a = 9 + (-4) = 5
b + a = -10 + (-5) = -15

untuk seterusnya males nulis soalnya kepanjangan XD