matematika hal 159 2.8 smp kellas 7

1.a.A U B = {1,2,3,4,5,6,7,8}
b.A U C ={ sama kek a}
c. AU D = { sama}
d.B U C = {1,2,3,4,5,7}
e.B U D = {1,3,4,5,6,7}
f. C U D = { 1,2,3,4,5,6,7}

2. a.S ={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14}
A={2,4,6,8,10}
B={1,3,5,7}
C={5,6}

b. B U C={1,3,5,6,7}
A U B={1,2,3,4,5,6,7,8,10}
A U C={ 2,4,5,6,8,10}
A U B U C={1,2,3,4,5,6,7,8,10}