Page 21 - Steady Mate Tg1 - Book A
P. 21

Matematik  Tingkatan 1  Bab 1 Nombor Nisbah


                                                                                                1
                                                            1 2 1
                    Contoh                           5.  0.2 ÷  –   3   +  –2  1 2  × 1.5    6.  0.75 × 1  + (–0.6) ÷   3
                        1     1                                5       3                        7           7
                                                                                                   1 2
                  1.3 ÷ 3   –  1  × (– 0.4)                                                3    8     3    7
                                                              1 2 1 2
                        4     4                        =   2   ×  –   5   +  –   7   ×   15     =   4   ×   7   +  –   5   ×   3
                                 1
                    13   13  5      4                    10      3      3    10
                  =    ÷    –    ×  –   2                  1   7                           6    7
                    10   4   4      10                 = –    –                          =   7   –   5
                    13   4    1                            3   2
                  =    ×    +                              2   21                          30   49
                    10   13   2                        = –    –                          =   35   –   35
                    2   1       Lakukan operasi × atau     6   6
                  =    +                                   23                                19
                    5   2       ÷ dari kiri ke kanan   = –                               = –   35
                    4    5      diikuti operasi + atau –   6
                  =    +        dari kiri ke kanan.
                                                           5
                    10   10     Perform × or ÷ from left   = –3
                    9           to right followed by + or   6
                  =             – from left to right.
                    10
                    Contoh                           7.  2.6 ×  –1  1 2  – 0.96 ÷  –   3    8.  1.23 ÷  –   3  2  – (–0.65) × 1
                                                                          1 2
                                                            1
                                                                                               1
                                                                                                                 2
                       1 2   +  (–1.45) ÷   1                  2            5                     10             5
                          1
                  4.8 ×  –   4          5              = 2.6 × (–1.5) – 0.96 ÷ (–0.6)    = 1.23 ÷ (– 0.3) – (–0.65) × 1.4
                                                       = –3.9 + 1.6                      = –4.1 + 0.91
                  = 4.8 × (– 0.25) + (–1.45) ÷ 0.2
                                                       = –2.3                            = – 3.19
                  = –1.2 – 7.25
                  = – 8.45
                  T    Selesaikan setiap yang berikut.    ARAS S
                      Solve each of the following.


                    Contoh                                            1.  Unit  amanah  saham  Bank  Ikhlas  berharga  RM2.65
                                                                        seunit pada awalnya. Unit amanah saham bank itu naik
                  Harga  saham  Syarikat  MyVisi  dibuka  pada  RM4.64 pada   RM0.14 dan kemudian turun   2   daripada  harga awal
                  hari Isnin. Pada hari Selasa, harga saham syarikat tersebut                     5
                                                         1              unit amanah  saham. Berapakah harga seunit bagi unit
                  turun RM0.37 dan pada hari Rabu pula naik     daripada
                                                         8              amanah saham itu sekarang?
                  harga sahamnya  pada hari Isnin. Berapakah  harga saham   The unit trust of Bank Ikhlas was priced at RM2.65 per unit
                  Syarikat MyVisi yang dibuka pada hari Khamis?         initially. Its unit trust rose RM0.14 and then dropped   of its
                                                                                                                2
                  The share price of Syarikat MyVisi opened at RM4.64 on Monday.                                5
                  On Tuesday, the share price of the company dropped RM0.37 and   initial price. What is the unit price of the unit trust now?
                                 1                                                                              TP 4
                  on Wednesday rose    of its share price on Monday. What was the
                                 8
                  share price of Syarikat MyVisi that opened on Thursday?   TP 4
                                                                        Harga seunit bagi unit amanah saham sekarang
                                                                        Unit price of the unit trust now
                  Harga saham Syarikat MyVisi pada hari Khamis
                                                                                      1
                  Share price of Syarikat MyVisi on Thursday            = 2.65 + 0.14 +  –   2   × 2.65 2
                                  1                                                     5
                  = 4.64 + (–0.37) +    × 4.64
                                  8                                     = 2.65 + 0.14 – 1.06
                  = 4.64 – 0.37 + 0.58                                  = RM1.73 seunit / per unit
                  = RM4.85







                                                                  19                               © Penerbitan Pelangi Sdn. Bhd.
   16   17   18   19   20   21   22   23   24   25   26