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(3√3-4)²=
(5√2-3√3)×(5√2+3√3)=
(3√7+√2)²=
(√11-√7)×(√11+√7)


Răspuns :

27-24rad3+16=43-24rad3
50-27=23
63+6rad7+4=67+6rad7
11-7=4