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PROBLEMAS Y CUESTIONES DE MATEMÁTICAS
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ECUACIONES |
Resolver y calcular: 1 2 3
2 + ¾¾¾¾¾ ¾¾ - 5 ¾¾
3·(2-23) 5 2
¾¾¾¾¾¾¾¾ - ¾¾¾¾¾¾¾¾ + ¾¾¾¾¾ =
3·(4-6)+2 1 3 5
1 + ¾¾¾¾¾ ¾¾ - ¾¾ 1 + ¾
2² +3·2-1 3 2 6
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| 1 | |
Resolver y calcular: 2·(X-1)+2-3·(-2) (1/2)-1·(1-X) 2·X
¾¾¾¾¾¾¾¾¾ ¾ ¾¾¾¾¾¾¾¾¾ + ¾¾¾¾¾
¾¾¾¾¾¾ 50 - (-2) 4
Ö (-3)² + 4²
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| 2 | |
Resolver y calcular: 103 · 2 · 10-2 · 4 · 10-1 · 2 · 10-5 ¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾ · X = 1 4 · 10-1 · 16 · 104 · 4 · 10-4 · 1-1 |
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| 3 | |
Resolver y calcular: X+a a-X 7 3X-a 6X+bA. ¾¾¾ - 4 + ¾¾¾ = ¾¾¾ a B. ¾¾¾ = ¾¾¾ 3 2 6 2X-b 4X+a |
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| 4 | |
Resolver y calcular: x+1 x-1 x-1
¾¾¾ + 1 = ¾¾¾ + ¾¾¾
5 4 8
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| 5 | |
Resolver y calcular: x-1 3x-10 x-2
¾¾¾ - ¾¾¾ - ¾¾¾ = 0
2 5 3
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| 6 | |
Resolver y calcular: 4x
(x-3)(x+2) + ¾¾¾ = (x+1)² - (2x+5)
3
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| 7 | |
Resolver y calcular: ¾¾¾ ¾¾¾¾ ¾¾ A. Ö X - 1 = 1 ;;; B. Ö 1 - X = 1 - Ö X |
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| 8 | |
Resolver y calcular:
¾¾¾ X - 1 ¾¾¾
A. Ö X + 1 - 5 = ¾¾¾ Ö X + 1 1
2 B. ¾¾¾¾ = ¾¾
4 4
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| 9 | |
Resolver y calcular: ¾¾¾¾¾ ¾¾¾¾¾
Ö 3·X + 4 - Ö 2·X + 5 = 2
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| 10 | |
Resolver y calcular:
¾¾¾¾ X - 7 9 3 6·X
A. Ö 27 + X - 5 = ¾¾¾¾¾ B. ¾¾ X + ¾¾ X = 2·(¾¾ + 1)
2 4 4 4
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| 11 | |
Resolver y calcular:
(a + b)·c (b + a) (a - b)·x (c - d)·x²
A. ¾¾¾¾¾ = ¾¾¾¾¾ B. ¾¾¾¾¾¾ = ¾¾¾¾¾¾
x c (b - a) -(d - c)
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| 12 | |
Resolver y calcular:
1 X 1
X -¾¾¾ ¾¾ + 1 4·X + ¾¾
4 2 5·X 3
¾¾¾¾¾¾ - ¾¾¾¾¾ = ¾¾¾¾¾ - ¾¾¾¾¾¾¾¾
3 4/5 8 12
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| 13 | |
Resolver y calcular:
X(b-a)
A. b (3X-4a) = a (3X+4b) B. a + b = ¾¾¾¾¾
b - X
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| 14 | |
Resolver y calcular: X+a a-X 7 3X-a 6X+b
A. ¾¾¾ - 4 + ¾¾¾ = ¾¾ a B. ¾¾¾ = ¾¾¾¾
3 2 6 2X-b 4X+a
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| 15 | |
Resolver y calcular:
¾¾¾¾¾
A. a² = b² + c² - 2·b·c·cos x B. Ö a² + x² = c² |
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| 16 | |
Resolver y calcular:
a²·x + b²·x + c²·x a + b + c
A. ¾¾¾¾¾¾¾¾¾¾¾¾ = 1 B. ¾¾¾¾¾ = 2/3
a²·b²·c² a·x
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| 17 | |
Resolver y calcular: A. 8(2x+1)-3(5x+1)=7 B. 2(x+3)-4(x-3)=16 |
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| 18 | |
Resolver y calcular: A. x-[3+2(6-2x)]=2(2x-5) B. (1/4)-(1/x)=(1/12)+(1/9) |
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