Jawaban:
6. (5/9)² = 25/81
7. 2,7 - 3,9 = -1,2
8. -2³ + 28 = (-2 x -2 x -2) + 28
= -8 + 28
= 20
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Jawaban:
6. (5/9)² = 25/81
7. 2,7 - 3,9 = -1,2
8. -2³ + 28 = (-2 x -2 x -2) + 28
= -8 + 28
= 20