приведите подобные слагаемые
1)1.3a-2+4.6a
2)5.7a-8-a
3)10.2b-5.3b-6
4)7-3.8b-9b
5)-3-4.9c+10
6)15c+3-2.9c
1)1.3a-2+4.6a
2)5.7a-8-a
3)10.2b-5.3b-6
4)7-3.8b-9b
5)-3-4.9c+10
6)15c+3-2.9c
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Answers & Comments
2)5.7a-8-a=4,7a-8
3)10.2b-5.3b-6=4,9b-6
4)7-3.8b-9b=7-12,8b
5)-3-4.9c+10=7-4,9c
6)15c+3-2.9c =12,1c+3