• РЕШИТЕ УРАВНЕНИЕ!ПОЖАЛУЙСТА 3X-5/7+2X+1/14 = 2X-3/2

Ответы 1

  • Выражение: 3*X-5/7+2*X+1/14=2*X-3/2Ответ: 3*X+(6//7)=0Решаем по действиям:1) 5/7=(5//7)2) 3*X+2*X=5*X3) 1/14=(1//14)4) -(5//7)+(1//14)=-(9//14)5) 5*X-2*X=3*X6) 3/2=1.5  3.0|2_ _  2_ |1.5  10  1_0_   07) -(9//14)+1.5=(6//7)Решаем по шагам:1) 3*X-(5//7)+2*X+1/14-2*X+3/2=0  1.1) 5/7=(5//7)2) 5*X-(5//7)+1/14-2*X+3/2=0  2.1) 3*X+2*X=5*X3) 5*X-(5//7)+(1//14)-2*X+3/2=0  3.1) 1/14=(1//14)4) 5*X-(9//14)-2*X+3/2=0  4.1) -(5//7)+(1//14)=-(9//14)5) 3*X-(9//14)+3/2=0  5.1) 5*X-2*X=3*X6) 3*X-(9//14)+1.5=0  6.1) 3/2=1.5      3.0|2_ _      2_ |1.5      10      1_0_       07) 3*X+(6//7)=0  7.1) -(9//14)+1.5=(6//7)Приводим к окончательному ответу с возможной потерей точности:  Окончательный ответ: 3*X+0.857142857142857=0  По действиям:  1) 6//7~~0.857142857142857      6.0|7_ _      5_6_|0.8571428571428571428       40       3_5_        50        4_9_         10          7_          30          2_8_           20           1_4_            60            5_6_             40             3_5_              50              4_9_               10                7_                30                2_8_                 20                 1_4_                  60                  5_6_                   40                   3_5_                    50                    4_9_                     10                      7_                      30                      2_8_                       20                       1_4_                        60                        5_6_                         4  По шагам:  1: 3*X+0.857142857142857=0    1.1) 6//7~~0.857142857142857          6.0|7_ _          5_6_|0.8571428571428571428           40           3_5_            50            4_9_             10              7_              30              2_8_               20               1_4_                60                5_6_                 40                 3_5_                  50                  4_9_                   10                    7_                    30                    2_8_                     20                     1_4_                      60                      5_6_                       40                       3_5_                        50                        4_9_                         10                          7_                          30                          2_8_                           20                           1_4_                            60                            5_6_                             4

    • Автор:

      chiliym9a
    • 5 лет назад
    • 0
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