1)3,3a +(a-4) 2)5a-(0,7+8) 3)5,3b-(2b+3) 4)9,6b+(7-0,4b) 5)2c-(9-5,1c) 6)-5c+(13-6c) калай орындайд

1)3,3a +(a-4)=3,3a+a-4=4,3a-4
2)5a-(0,7+8)=5a-0,7-8=5a-8,7
3)5,3b-(2b+3)=5,3b-2b-3=3,3b-3
4)9,6b+(7-0,4b)=9,6b+7-0,4b=9,2b+7
5)2c-(9-5,1c)=2c-9+5,1c=7,1c-9
6)-5c+(13-6c)=-5c+13-6c=-11c+13