直接写出下面各题的得数 + = 4- = - = - - = + =

1. (2021五下·梓潼期末) 直接写出下面各题的得数
$\text{[math]}$ + $\text{[math]}$ = 4- $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ - $\text{[math]}$ =

$\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ - $\text{[math]}$ =