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numero 106

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$\small \left\{\left[|1-8|(+3)(+4)\right] : \left|+21\right|-23·\left|+2\right|\right\} : (+7)·\left|-3\right|)-\Big|+8-|-11|\Big|=$

$\small =\left\{\left[|-7|·12\right] : 21-23·2\right\} : (7·3)-\left|8-11\right|=$

$\small =\left\{\left[7·12\right] : 21-46\right\} : 21-\left|-3\right|=$

$\small =\left\{84 : 21-46\right\} : 21-3=$

$\small =\left\{4-46\right\} : 21-3=$

$\small =-42 : 21-3=$

$\small = -2-3=$

$= -5$

 

 



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