Teza clasa a VII-a sem.II
5 months ago
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18 QuestionsShow answers- Question 1120 secondsQ.
Rezultatul calculului: (2√3-1)(2√3+1) -(-2)3
answer choices - Question 2300 secondsQ.
Rezultatul calculului: (2x+1)2 - (x-2)2 -3x(x+3)
answer choices - Question 3120 secondsQ.
Descompus in factori (2x-3)2 -4(x+1)2
answer choices - Question 4120 secondsQ.
Solutia reala a ecuatiei 3x-5=-8
answer choices - Question 5180 secondsQ.
Multimea solutiilor ecuatiei (x+1)2 -1=3
answer choices - Question 6180 secondsQ.
Valorile intregi nenule ale lui x pentru care | 2x - 1 |≤3
answer choices - Question 760 secondsQ.
Descompus in factori x2 - 4x +4
answer choices - Question 860 secondsQ.
Descompus in factori x2 - 5x + 6
answer choices - Question 9180 secondsQ.
Daca suma a doua numere este 87, iar diferenta lor este 55, numerele sunt:
answer choices - Question 10180 secondsQ.
Un triunghi dreptunghic cu o cateta de 6 cm si ipotenuza de 10 cm are perimetrul egal cu:
answer choices - Question 11120 secondsQ.
Latura unui patrat cu diagonala de 4√2 cm are lungimea egala cu:
answer choices - Question 1260 secondsQ.
Inaltimea intr-un triunghi echilateral cu latura de 4 cm, are lungimea egala cu:
answer choices - Question 13180 secondsQ.
Daca ΔABC este dreptumghic, cu m(∢A)=90°, AB = 6 cm si cos (∢B) = ¾ atunci BC are lungimea egala cu:
answer choices - Question 14180 secondsQ.
Aria unui triunghi dreptunghic isoscel care are ipotenuza de 10 cm este:
answer choices - Question 15120 secondsQ.
ΔABC are AB=6cm, BC=8cm si m(∢B)=30°. Aria triunghiului este egala cu:
answer choices - Question 16120 secondsQ.
Aria unui trapez cu inaltimea de 5cm si linia mijlocie 14 cm este egala cu:
answer choices - Question 17180 secondsQ.
Perimetrul unui romb cu diagonalele de 16 cm si 12 cm este egal cu:
answer choices - Question 1860 secondsQ.
3⋅sin 30° − cos 60° este egal cu:
answer choices
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