Question

|-6|+|-15|
|-30|-|-5|
|-6,3|·|4|

Answer 1

$| - 6| + | - 15| = 6 + 15 = 21$
$| - 30| - | - 5| = 30 - 5 = 25$
$| - 6.3| \times |4| = 6.3 \times 4 = 25.2$