Question

escreva o numero que falta
9-4-1
6-6-2
1-9-?

A)-14
B)-12
C)-13
D) -11
E) -10

Answer 1

Boa tarde

9 + 4 + 1 = 14
6 + 6 + 2 = 14
1 + 9 + x = 14

x = 14 - 10 = 4