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МатематикаВопрос:
29) (10b - 0.1d)(0.1d + 10b) =
Ответ:
$$100b^2 - 0.01d^2$$
Похожие
- 1) (x - y)(x + y) =
- 2) (a - b)(a + b) =
- 3) (n - m)(n + m) =
- 4) (c - k)(c + k) =
- 5) (b - 3)(b + 3) =
- 6) (h - 7)(h + 7) =
- 7) (s + 2)(s - 2) =
- 8) (9 - n)(9 + n) =
- 9) (x - 1)(x + 1) =
- 10) (2 - z)(2 + z) =
- 11) (1 + p)(1 - p) =
- 12) (2x + 5)(2x - 5) =
- 13) (d + 3c)(d - 3c) =
- 14) (1 - 4y)(1 + 4y) =
- 15) (7a + 2b)(7a - 2b) =
- 16) (10x - y)(10x + y) =
- 17) (0.2n + y^2)(0.2n - y^2) =
- 18) (5a^2 - 0.6b)(5a^2 + 0.6b) =
- 19) (5r - 3)(3 + 5r) =
- 20) (8p - 3)(3 + 8p) =
- 21) (k - 2m)(2m + k) =
- 22) (s + 9z)(9z - s) =
- 23) (6h + 5)(5 - 6h) =
- 24) (q - 7)(7 + q) =
- 25) (b + 2a)(b - 2a) =
- 26) (cd + 1)(1 - cd) =
- 27) (2y - 5z)(2y + 5z) =
- 28) (1.2x + hpc)(hpc - 1.2x) =
- 30) (1.2n + 4y^2)(4y^2 - 1.2n) =
- 31) (5q^5 - 0.5b^3)(5q^5 + 0.5b^3) =
- 32) (2x^3y + 30n^2)(30n^2 - 2x^3y) =
