直接写出得数. - = + =

1. (2019五下·卢龙期末) 直接写出得数.
$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ = 2+ $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ =
$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ +0.4= $\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ -0.1= $\text{[math]}$ + $\text{[math]}$ + $\text{[math]}$ =

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1. (2019五下·卢龙期末) 直接写出得数. - = + = - = 2+ = - = - = +0.4= + = -0.1= + + =