Hitunglah. 1. 4 × (-2) × 6 2. -5 × 2 × (-7) 3. (-3,5) × (-2) × 9
Hitunglah.
1. 4 × (-2) × 6
2. -5 × 2 × (-7)
3. (-3,5) × (-2) × 9
4. -1/3 × 6 × (-4) × (-9)
5. 8 × (-3) × 1/6 × (-1/4)
6. (-5) × (-5) × (-5)
Pembahasan:
1. 4 × (-2) × 6 = -(4 × 2 × 6) = -48
2. -5 × 2 × (-7) = 5 × 2 × 7 = 70
3. (-3,5) × (-2) × 9 = 3,5 × 2 × 9 = 63
4. -1/3 × 6 × (-4) × (-9) = -(1/3 × 6 × 4 × 9) = -72
5. 8 × (-3) × 1/6 × (-1/4) = 8 × 3 × 1/6 × 1/4 = 1
6. (-5) × (-5) × (-5) = -(5 × 5 × 5) = -125
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