Question

Please help me fast
Options are
4
13
7
6

Answer 1

Hallo
your answer is here
6-2 =4
9-3=6 &3-1=2
19-10=9 & 10-7=3
so answer is
7-x=1
so
answers is 6
hope u can understand

Answer 2

☺☺☺☺☺☺☺

hello dear

your answer is here

$6 - 2 = > 4 \\ 9 - 3 = > 6 \\ 19 - 10 = > 9$

$3 - 1 = > 2 \\ 10 - 7 = > 3 \\ 7 - x = > 1$
So,
$7 - 6 = > 1 \\ \\ i \: hope \: u \: understand$
☺☺☺☺☺☺☺