Question

v arog ajutatima asta seara va rog din inima ??va rog din tot sufletul

Answer 1

1.104:4-25=26-25=1
2. a(b-c)=285, 57*(b-c)=285, b-c=285:57=5
3.U(12^102)+U(15^103)=4+5=9
4. 2^x< _ 20, x∈{0,1,2,3,4}, card P=5
5.A={3,4,5,6,7}, 3<_3x<_15,B={1,2,3,4,5}
p∈{0,1,2,3}, x∈{0^2+1,1^2+1,2^2+1, 3^2+1}, C={1,2,5,10}
A∪B∪C={1,2,3,4,5,6,7,10}, A∩B∩C={5}
A-B={6,7}, (A-B)∩C=∅
B-C={3,4,5}, C-A={1,2,10}, (B-C)∪(C-A)={1,2,3,4,5,10}