Class 8 math lesson 22(set)
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1 সসসসসসস সসসস সসসসসসস সসসসসস সসসসসস
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Transcript of Class 8 math lesson 22(set)
Slide 1
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: - A , B , C , . X, Y , Z ,
Friends = { , , , }Friends = {, , , }Friends = {, , , }Friends = { , , , }
F = { f, j, m, z }D = { 7, 5, 36, 19 }D = { 5, 7, 19, 36 }
?
: , A ={3,6,9,.,60}D ={1,2,22,23.,29}
? ?
: , P={1,2,3,4,.}Z ={.-2,-1,0,1,2 ..}
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132456
A B
A={1,2,3,4,5}B={ 3,4,6}A{ 1,2,3,4,5}B={ 3,4,6}={1,2,3465,,,}34
abxmc
yxzmbPQPQ
A={1,2,3,4,5}B={ 3,4,6}A{ 1,2,3,4,5}B={ 3,4,6}={34,}34
A={1,2,3,4,5}B={ 3,4,6}A-{ 1,2,3,4,5}B=-{ 3,4,6}={1,25,}
A = {3,4,5}, B = {4,5,6}, P ={x,y.3,7} Q ={z,,y,7,9}. . .
A B=?
(A B)(PQ)
PQ=?
A = { 1, 2, 3 } , B = { 2, 4, 5 } C={ 4, 6, 7} ? ? 3 4 A\B=? B-C=?
U ={1,2,3,4,5,6,7}, P = {1,3,5}, Q ={2,4,6} R ={3,4,5,6,7}. . .
P-Q =?
,