Помогите!!!!
1)5,3b-(2b+3)=....
2)9.6b+(7-0.4b)=...
3)2c-(9-5.1c)=...
4)-5c+(13-6c)=...
Help me!!!)).....Спасибо, сразу!!!)))
1)5,3b-(2b+3)=....
2)9.6b+(7-0.4b)=...
3)2c-(9-5.1c)=...
4)-5c+(13-6c)=...
Help me!!!)).....Спасибо, сразу!!!)))
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1)5,3b-(2b+3)=5,3b-2b-3=3,3b-32)9.6b+(7-0.4b)=9.6d+7-0.4d=9.2d+7
3)2c-(9-5.1c)=2c-9+5.1c=7.1c-9
4)-5c+(13-6c)=-5c+13-6c=-11c+13