120+80=, 199, 98, 198, 200, 567, 777, 134+21=, 456, 155, 453, 128, 297, 454, what comes after 123, 432, 345, 1234, 145, 152, 124, 124+12=, 453, 158, 568, 136, 436, 547, 122-22=, 100, 666, 546, 678, 555, 643, 124-9=, 444, 64, 453, 678, 115, 657, 675-75=, 435, 673, 736, 600, 353, 536, 456-56=, 657, 767, 400, 787, 675, 888.

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