Jawaban:
8. a. A-B {,2,4}
b. B-A { 7}
9
.
a. 4a+2a-3a
= 3a
b. 5m+3m-5n+7n
= 8m+2n
c. 8x-2x-y+4y
= 6x+3y
d. 6p-3m+2p
= 8p-3m
10. S = { 1,2,3,4,5,6,7,8,9,10,11,12}
P ={ 1,2,3,5,7,11}
Q = { 1,3,5,7,9,11}
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Jawaban:
8. a. A-B {,2,4}
b. B-A { 7}
9
.
a. 4a+2a-3a
= 3a
b. 5m+3m-5n+7n
= 8m+2n
c. 8x-2x-y+4y
= 6x+3y
d. 6p-3m+2p
= 8p-3m
10. S = { 1,2,3,4,5,6,7,8,9,10,11,12}
P ={ 1,2,3,5,7,11}
Q = { 1,3,5,7,9,11}
semoga membantu