Determinati A ∪ B,A ∩ B ,A-B si B-A, PENTRU MULTIMILE .
a)A={a,b.c}.B={b.c.d},
b)A={1,2,3.4},B={x1,2,5,6}
c)A=
{2,4,6,8,10},B={1,3,5,7}
d)A=
{x∈N5x-1≤24},B={x∈N/3x+1<15}
e)A={x∈N/7≤x+5<15}.B={x∈N/3<2x+1<15}
f)A={x∈N/xpatrat perfect,x<70},B={x∈N/x cub perfect,x<70}
ajutatima va ro urgent multumesc

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