318 + 75 =, 393, 567 - 94 =, 473, 280 - 90 =, 190, 560 + 180 =, 740, 241 + 378 =, 619, 569 - 342 =, 227, 890 - 530 =, 360, 986 - 473 =, 513, 505 + 482 =, 987, 231 + 519 =, 750

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