bonjour
I = [ - 6 ; 8 ] et J = ] 2 : 100 [
I ∩ J = ] 2 ; 8 ]
I ∪ J = [ - 6 : 100 [
- 10 ∉ I ∩ J et ∈ [ - 6 : 100 [
- 6 ∈ I ∪ J
- 0.5 ∈ I ∪ J
2 ∉ I∩ J ∈ I∪ J
continue , tu as les intervalles
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bonjour
I = [ - 6 ; 8 ] et J = ] 2 : 100 [
I ∩ J = ] 2 ; 8 ]
I ∪ J = [ - 6 : 100 [
- 10 ∉ I ∩ J et ∈ [ - 6 : 100 [
- 6 ∈ I ∪ J
- 0.5 ∈ I ∪ J
2 ∉ I∩ J ∈ I∪ J
continue , tu as les intervalles