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If C and B are opposite to each other and C and D are reciprocal to each other, then the value of a + b-2cd is
-1
RELATED INFORMATIONS
- 1. Multiply the numerator of a simplest fraction by 3 and divide the denominator by 3 to get 1.2?
- 2. A simplest fraction, if the numerator plus 1, the fraction is 23; if the denominator plus 1, the fraction is 12, the fraction is 23______ ．
- 3. Given that the cube root of a number is 3-2a-4 and 4-3a + 7, find the number
- 4. If the cube root of 2A + 19 is 3, find the square root of 3A + 4
- 5. Given that the square root of 2a-1 is ± 4, the cube root of 3A + B-1 is 3, find the cube root of a-b
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- 7. The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is ()
- 8. The difference between the opposite number of 2 and 3 / 4 and the number with absolute value of 5 and 1 / 4 is
- 9. If the absolute value of a is equal to a, then what number is a: if the absolute value of a is greater than a, then what number is a?
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- 11. 1. If a and B are opposite, C and D are reciprocal, and C = - 1, find the value of | C | = 2cd-100 (a + b) 2. If the positions of a, B and C on the number axis are shown in the figure below, the formula is simplified as | a | - | B-C | + | C| ----------------------》 a b 0 c
- 12. If a ≠ 0, find the value of 3A + 3B + B / A + 1 / 2CD
- 13. If a and B are opposite to each other, C and D are reciprocal to each other, and the absolute value of M is 3, find the value of a + B / 7-2cd + 3 / m
- 14. Given that a and B are opposite to each other, and C and D are reciprocal to each other, find the value of 4 / 3 (a + B + 2) - 2CD
- 15. If | a + 5 | + | B-7 | + | a + B + C | = 0, find the value of (A-3) (2-B) (C-9)
- 16. Given a = 3, B = - 5, C = 7, find the following values 2a-c; a-b-c
- 17. Let ABCD be all positive numbers, ABCD = 1, then the minimum value of a ^ 4 + B ^ 4 + C ^ 4 + D ^ 4 is? Where a, B, C and D are?
- 18. If a, B, C, D are mutually unequal integers, and ABCD = 49, find the value of (a + B + C + D-1) ^ 2013
- 19. Given that ABCD is four different integers, (A-1) (B-1) (C-1) (D-1) = 4, find the value of a + B + C + D
- 20. In the parallelogram ABCD, the values of angle A: angle B: angle c: angle D can be a1:2:3; 4, b1:2:2:1, c1:1:2:2, d2:1:2:1 In the parallelogram ABCD, the values of angle A: angle B: angle c: angle D can be a1:2:3; 4, b1:2:2:1, c1:1:2:2, d2:1:2:1