Matematika

Pertanyaan

Hitunglah!

1. -4 - (-6) × 2 : 3 = ...
2. 8 - (-12) : 4 + (-3)^2 = ...
3. (-10 - 3)^2 - (-15 - (-20))^3 = ...
4. (-12 + 6)^2 + (17 + (-5))^2 = ...

^2 = pangkat 2
^3 = pangkat 3

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1 Jawaban

  • 1. -4 -6 x 2 : 3
    = -4 - ((-6) x 2) : 3
    = -4 - (-12) : 3
    = -4 + 4 = 8

    2. 8 - (-12) : 4 + (-3)²
    = 8 - ((-12) : 4) + 9
    = 8 - (-3) + 9
    = 8 + 3 + 9 = 20

    3. (-10 - 3)² - (-15 - (-20))³
    = (-13)² - (-5)³
    = 169 - (-125) = 294

    4. (-12 + 6)² + (17 + (-5))²
    = (6)² + (12)²
    = 36 + 144 = 180

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