а) 2(3+а)-10
б) -9(4+у)+36
в) 20+15(х-2)
г) -12-7(а+1)
д) -3(а - 2)- 4
е) 28+4 (у-9)
б) -9(4+у)+36
в) 20+15(х-2)
г) -12-7(а+1)
д) -3(а - 2)- 4
е) 28+4 (у-9)
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