А) |+6 |+ |+7|=
Б). |-6| + |+9|= 6+9=15
В). |-20| - |+3|=
Г). |-10| - |-9|=
Д) |+12| + |-2| + |+6|=
Е) |-10| + |-2| - |-8| + |-5|=
(Пожалуйста с действиями)
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