раскрыть скобки 1) -(3целых 1/2+2целых 1/9)+3целых 1/9 2)-0.6+(-4.4+3.8) 3)-(3.5-7.2)-(-5.5-3.4) 4)-1.8-(2целых 2/13-8целых 9/24)
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2)-0,6-4,4+3,8=-1,2
3)-3,5+7,2+5,5+3,4=12,6
4)-1,8-