Ответ:
а - 86 = 321 +319
а - 86 = 640
а = 640 + 86 = 726
696 - Х = 114 + 126
Х = 696 - 114 - 126 = 456
Х + 150 = 800 - 440
Х = 800 - 440 - 150 = 210
560 + в = 980 - 140
в = 980 - 140 - 560 = 280
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Ответ:
а - 86 = 321 +319
а - 86 = 640
а = 640 + 86 = 726
696 - Х = 114 + 126
Х = 696 - 114 - 126 = 456
Х + 150 = 800 - 440
Х = 800 - 440 - 150 = 210
560 + в = 980 - 140
в = 980 - 140 - 560 = 280