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题型：填空题题类：常考题难易度：容易

异分母分数加、减法(不含带分数) 6929

直接写出得数。

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

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

举一反三

$\text{[math]}$ ={#blank#}1{#/blank#} $\text{[math]}$ ={#blank#}2{#/blank#}
$\text{[math]}$ ={#blank#}3{#/blank#} $\text{[math]}$ ={#blank#}4{#/blank#}
$\text{[math]}$ ={#blank#}5{#/blank#} $\text{[math]}$ ={#blank#}6{#/blank#}
$\text{[math]}$ ={#blank#}7{#/blank#}

$\text{[math]}$ {#blank#}8{#/blank#}-{#blank#}9{#/blank#}

$\text{[math]}$ ={#blank#}1{#/blank#}	$\text{[math]}$ ={#blank#}2{#/blank#}
$\text{[math]}$ ={#blank#}3{#/blank#}	$\text{[math]}$ ={#blank#}4{#/blank#}

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

$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = 0.25+ $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ - $\text{[math]}$ =

$\text{[math]}$ + $\text{[math]}$ = 1- $\text{[math]}$ = 0.875- $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ + $\text{[math]}$ =

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

210÷7= 12.25-0.5= $\text{[math]}$ -0.5= 0.77+123%=

25×0.4= - $\text{[math]}$ = × $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ =

直接写出得数。

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

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

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

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