А) 6(5a+3)-(7+a)-2(4-3a)
б) 2(3-6c)-9(2+3c)+3(13c-4)
в) -4(2d+5)+7(2+5d)-(d-6)
г)16(c-3)+8(5-2c)-(10c-8)
д)-12(7-2d)-9(7d-5)-3(15+8d)
б) 2(3-6c)-9(2+3c)+3(13c-4)
в) -4(2d+5)+7(2+5d)-(d-6)
г)16(c-3)+8(5-2c)-(10c-8)
д)-12(7-2d)-9(7d-5)-3(15+8d)
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