Nake halike kalik hasew jaket
Пошаговое объяснение:
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2,1х - было в первом бидоне
2,1х-8,7 - стало в 1-м
х+8,7 - стало во 2-м
2,1х-8,7=х+8,7-2
2,1х-х=8,7-2+8,7
1,1х=15,4
х=14 (л)
ответ: во втором бидоне было 14 л молока