a) \(\left|-7\right|+8=7+8=15\)
b) \(\left|-7,5\right|+\left|-2,5\right|=7,5+2,5=10\)
c) \(-\left|3,5\right|+\left|5,5\right|-\left|6\right|=-3,5+5,5-6=-4\)
d) \(\left|11,4-3,4\right|+\left|12,4-15,5\right|=\left|8\right|+\left|-3,1\right|=8+3,1=11,1\)
a)|-7|+8=7+8=15
b)|-7,5|+|-2,5|=7,5+2,5=10
c)-|3,5|+|5,5|-|-6|=-3,5+5,5-6=-4
d)|11,4-3,4|+|12,4-15,5|=8+3,1=11,1
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