Jawaban:
20 + (-17) + 15
jadi,nilai q adalah 18
20 + (-17) + 15 = q
20 - 17 + 15 = q
20 + (-17 + 15) = q
20 + (-2) = q
20 - 2 = q
q = 18
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Jawaban:
20 + (-17) + 15
jadi,nilai q adalah 18
20 + (-17) + 15 = q
20 - 17 + 15 = q
20 + (-17 + 15) = q
20 + (-2) = q
20 - 2 = q
q = 18