Oblicz wartość wyrażenia, jeśli a = -4
a) ||a| - a|
b) 2a* |a - 3|
c) |a|*|3a - 2|
a) |4-(-4)|=|4+4|=|8|=8
b)2*(-4)*|-4-3|=-8*|-7|= -8*7=-56
c) |-4| * | 3*(-4)-2|=4*|-12-2|=4*|-14|=4*14=56
a) II-4I- (-4) I I4-(-4)I = I8I = 8b) 2 * (-4) * I (-4) - 3)I = (-8) * I-7I = (-8) * 7 = -56c) I-4I * I3* (-4) - 2I = 4 * I (-12 - 2 I = 4* I-14I = 4*14 = 56
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a) |4-(-4)|=|4+4|=|8|=8
b)2*(-4)*|-4-3|=-8*|-7|= -8*7=-56
c) |-4| * | 3*(-4)-2|=4*|-12-2|=4*|-14|=4*14=56
a) II-4I- (-4) I
I4-(-4)I = I8I = 8
b) 2 * (-4) * I (-4) - 3)I = (-8) * I-7I = (-8) * 7 = -56
c) I-4I * I3* (-4) - 2I = 4 * I (-12 - 2 I = 4* I-14I = 4*14 = 56