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~ (+) - (+) = bisa (+)/ (-)
contoh : 2-1 = 1, 2-3 = -1
~ (+) + (-) / (-) + (+) = bilangan yang lebih besar dikurang dengan yang lebih kecil
contoh = 3 + (-2) = 3-2 = 1, -4 + 3 = -1
~ (+) - (-) = (+)
contoh : 3 - (-2) = 3 + 2 = 5
~ (-) - (+) = (-)
contoh : -2 - 2 = -4
~ (-) + (-) = (-)
contoh : -3 + (-3) = -3 - 3 = -6
~(-) - (-) = (-) + (+)
contoh : -2 - (-2) = -2 + 2 = 0
(+) × (+) = (+)
contoh : 2 × 2 = 4
(-) × (-) = (+)
contoh : -2 × (-2) = -4
(+) × (-) / (-) × (+) = (-)
contoh : 4 × (-4) = -16, -4 × 4 = -16
(+) : (+) = (+)
contoh : 2:2 = 1
(-) : (-) = (+)
contoh : -2:(-2) = 1
(+) : (-) / (-) : (+) = (-)
contoh : 4:(-2) = -2, -8:4 = -2
kurang lebihnya semoga membantu ^-^