1265-(х:7)=1182, х:7=1265-1182, х:7=83, х=83*7, х=581
у*4+182=650, 4у=650-182, 4у=468, у=468:4, у=117
д:5+336=410, д:5=410-336, д:5=74, д=74*5, д=370
380:а-101=89, 380:а=89+101, 380:а=190, а=380:190, а=2
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1265-(х:7)=1182, х:7=1265-1182, х:7=83, х=83*7, х=581
у*4+182=650, 4у=650-182, 4у=468, у=468:4, у=117
д:5+336=410, д:5=410-336, д:5=74, д=74*5, д=370
380:а-101=89, 380:а=89+101, 380:а=190, а=380:190, а=2