直接写出得数．56−16 =38+18 =17−17 =

题型：填空题题类：常考题难易度：普通

异分母分数加、减法(不含带分数) 6917

直接写出得数．

$\text{[math]}$ =

举一反三

$\text{[math]}$ {#blank#}1{#/blank#}

$\text{[math]}$

1×0.7=	3－0.5=	$\text{[math]}$ + $\text{[math]}$ =
$\text{[math]}$ - $\text{[math]}$ =	$\text{[math]}$ + $\text{[math]}$ =	1- $\text{[math]}$ =

360÷20＝	12÷0.5＝	45×20＝	3.8÷100＝	0.12×1000=
$\text{[math]}$ + $\text{[math]}$ =	$\text{[math]}$ - $\text{[math]}$ =	$\text{[math]}$ × $\text{[math]}$ =	1÷ $\text{[math]}$ =	1- $\text{[math]}$ + $\text{[math]}$ =

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