Б) (47*1/26)*13/27; (20*1/26)*13/27; . в)(1/2*3/4)*(2/3)*(5/6*7/8)*(6/7*8/9);
218
376
Ответы на вопрос:
Б) (47×¹/₂₆)×¹³/₂₇ = ⁴⁷/₂₆ × ¹³/₂₇ = ⁴⁷ˣ¹³/₂₆ₓ₂₇ = ⁴⁷/₂ₓ₂₇ = ⁴⁷/₅₄ (20×¹/₂₆)×¹³/₂₇ = ²⁰/₂₆×¹³/₂₇ = ²⁰ˣ¹³/₂₆ₓ₂₇ = ²⁰/₂ₓ₂₇ = ²⁰/₅₄ = ¹⁰/₂₇ в)(1/2×3/4)×(2/3)×(5/6×7/8)×(6/7×8/9) = 2,5 1/2 × 3/4 = 3/8 3/8 × 2/3 = 2/8 = 1/4 5/6 × 7/8 = 35/48 1/4 × 35/48 = 140/48 = 35/12 6/7 × 8/9 = 54/63 35/12 × 54/63 = 5/2 = 2,5
Популярно: Математика
-
vinerxasanzyan15.09.2022 06:37
-
Aliona20011.08.2020 16:48
-
Ftgbjjjm08.10.2020 05:59
-
Verenea17.04.2023 22:48
-
tanya66544412.02.2022 19:34
-
marimuravskap08uv014.05.2020 20:32
-
SonyaCarrol24.08.2022 04:00
-
adilyabaxtigar28.01.2021 00:07
-
gorbunovayulia13.04.2021 09:58
-
danilsmetanov610.06.2023 22:46