4 Grundrechenarten mit ganzen Zahlen

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Die 4 Grundrechenarten mit ganzen Zahlen (positive und negative ganze Zahlen: Menge Z)
Robert Mairginter
Flashcards by Robert Mairginter, updated more than 1 year ago
Robert Mairginter
Created by Robert Mairginter about 9 years ago
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Question Answer
(-3) + (-7) = -3 - 7 = -10
(+5) - (+9) = 5 - 9 = -4
(-10) * (+3) = -30
Vorzeichenregel Ganze Zahlen: + (+) ergibt ... +
Vorzeichenregel Ganze Zahlen: - (-) ergibt ... +
Vorzeichenregel Ganze Zahlen: + (-) ergibt ... -
Vorzeichenregel Ganze Zahlen: - (+) ergibt ... -
(-13) * (-2) * (-1) = -26
50 : (-2) * (+1) = -25
(-2) * (-2) * (+2) * (-1) = -8
(-100) : (-2) : (+10) = +5
(-45) : (-9) * (+3) = +15
(-34) + (-5) * (-2) = (-34) + (-5) * (-2) = (-34 - 5) * (-2) = (-39) * (-2) = +72
[(-5) - (-4)] * 5 = [(-5) - (-4)] * 5 = [-5 + 4] * 5 = [-1] * 5 = -5
(-5) * [(-3) + 6] * (-7) + 2 = (-5) * [(-3) + 6] * (-7) + 2 = (-5) * [-3 + 6] * (-7) + 2 = (-5) * [+3] * (-7) + 2 = +105 + 2 = 107
45 * {(-16) : [(-6) - (-3) + (-1)]} * [(-3) + 4)] = 45 * {(-16) : [(-6) - (-3) + (-1)]} * [(-3) + 4)] = 45 * {(-16) : [-6 +3 -1]} * [-3 +4] = 45 * {(-16) : [-4]} * [+1] = 45 * {+4} * [+1] = +180
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