1) (2-3√3)(2-3√3)2) (7+5√2)(5√2+7)3) (4 √5+√3) (4√5-√3)4) ( √6-3√3)^
1)ze wzorow skroconego mnozenia
4-27=-23
2)
50+70√2+49= 99+70√2
3)
80-3=77
4)
6-6√18+27=33-18√2
1) (2-3√3)(2-3√3)=4-27=-23
2) (7+5√2)(5√2+7)=35√2 + 49 + 50 + 35√2 = 99 + 70√2
3) (4 √5+√3) (4√5-√3)=80 -3=77
4) ( √6-3√3)²=6 - 6√18 + 27 = 33 - 18√2
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1)ze wzorow skroconego mnozenia
4-27=-23
2)
50+70√2+49= 99+70√2
3)
80-3=77
4)
6-6√18+27=33-18√2
1) (2-3√3)(2-3√3)=4-27=-23
2) (7+5√2)(5√2+7)=35√2 + 49 + 50 + 35√2 = 99 + 70√2
3) (4 √5+√3) (4√5-√3)=80 -3=77
4) ( √6-3√3)²=6 - 6√18 + 27 = 33 - 18√2