приведи подобные слагаемые :
1) 8а + 19а - 28а + 3а
2) - х + 11х +35х - 38 х
3) 1,4 а - а +b - 2,6 b
4)1,6 m - 1,2 - 3,1 m + 0,8
5)1,1p + 0,9d - 1,2 - 1,3p - 3,8d
6) - 5/6 а + 7/8b + 7/12а - 5/12 b
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