Find the value of:
(i) $| 20 | + | - 8 |$
(ii) $| - 47 | - | - 23 |$
(i) $| - 43 | + | 23 | - | - 66 |$

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Solution

$1) | 20 | + | - 8 | = 20 + 8 = 28$
$2) | - 47 | - | - 23 | = 47 - 23 = 24$
$3) | - 43 | + | 23 | - | - 66 | = 43 + 23 - 66 = 0$

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