Doprowadź wyrażenie do najprostszej postaci:
|2x-5|-|4-x| dla x∈ <-3;2>
Dzięki ;)
|2x-5|-|4-x| dla x∈ <-3;2> = 3,2 ..
-2x +5 -4 +x
= -2 * (-3) +5 -4 +2
= 11 - 2
= 9
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|2x-5|-|4-x| dla x∈ <-3;2> = 3,2 ..
-2x +5 -4 +x
= -2 * (-3) +5 -4 +2
= 11 - 2
= 9