3. Раскройте скобки и вычислите: а) - (11 - 27) =
б) + (69 - 33) - 69 =
в) -76 + 125 – 37) — 125 + 37 =
г) - (- 79 – 39 + 81) + 81 - 39 =
д) 54+(33–69) =
е) 117- ( 64+117)=
ж) 29 - (29–34)=​
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