Приведите подобные слагаемые:
-2,5a+1,8a+1,5a;
3,2b-4,3b-3,2b;
1/2c+1/3c+1/6c;
1,9d-4,2d+3,1d;
7,2a-5a-1,3a;
1/3b+1/5b-2/15b.
-2,5a+1,8a+1,5a;
3,2b-4,3b-3,2b;
1/2c+1/3c+1/6c;
1,9d-4,2d+3,1d;
7,2a-5a-1,3a;
1/3b+1/5b-2/15b.
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Answers & Comments
3,2b-4,3b-3,2b=-4,3b
1/2c+1/3c+1/6c=3/6c+2/6c+1/6c=c
1,9d-4,2d+3,1d=0,8c
7,2a-5a-1,3a=0,9a
1/3b+1/5b-2/15b=5/15b+3/15b-2/15b=6/15b