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а + 297 = 603
3 · k = 825
436 : b = 4
C – 458 = 245
а + 297 = 603
3 · k = 825
436 : b = 4
C – 458 = 245
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Ответ:
a+297=603,
a=603-297,
a=306
306+297=603
603=603
3×k=825,
k=825:3
k=275
275×3=825
825=825
436:b=4
b=436:4
b=109
436:109=4
4=4
C-458=245
c=458+245
c=703
703-458=245
245=245