19. solve the problem [(-9+6) + 15] + 4 = ?
o a.3
ob. 8
o c.-3
o d. 24...
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Mathematics, 12.09.2019 18:20 babs2019
19. solve the problem [(-9+6) + 15] + 4 = ?
o a.3
ob. 8
o c.-3
o d. 24
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Answers: 1
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