Question

solve this question​

Answer 1

$\boxed{3.5}$ㅤ+ㅤ$\boxed{4.5}$ㅤㅤ=ㅤ$\boxed{8}$

+ㅤㅤㅤㅤ+

$\boxed{9.5}$ㅤ-ㅤ$\boxed{3.5}$ㅤ=ㅤ$\boxed{6}$

||ㅤㅤㅤㅤㅤ||

$\boxed{13}$ㅤㅤㅤ$\boxed{8}$