直接写出得数 -= += 1-= 1.75+= += -= +4= 7-7÷8=

1. (2023五下·威信月考) 直接写出得数

$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = 1- $\text{[math]}$ = 1.75+ $\text{[math]}$ =

$\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ +4= 7-7÷8=

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$\text{[math]}$ - $\text{[math]}$ =	$\text{[math]}$ + $\text{[math]}$ =	1- $\text{[math]}$ =	1.75+ $\text{[math]}$ =
$\text{[math]}$ + $\text{[math]}$ =	$\text{[math]}$ - $\text{[math]}$ =	$\text{[math]}$ +4=	7-7÷8=

1. (2023五下·威信月考) 直接写出得数 -= += 1-= 1.75+= += -= +4= 7-7÷8=