Page 12 - Matematik Tg1_Praktis Topikal A+_Pan Asia Publications

(c) Cari gandaan sepunya terkecil (GSTK) bagi 4, 8 dan 12.
Find the lowest common multiples (LCM) of 4, 8 and 12.
[2 markah / 2 marks]
Jawapan / Answer :
2 4, 8, 12
2 2, 4, 6
2 1, 2, 3
3 1, 1, 3
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1, 1, 1
GSTK / LCM = 2 × 2 × 2 × 3
= 24

31. (a) (i) Cari nilai bagi –0.729.
3
Find the value of –0.729 .
3

[1 markah / 1 mark]
Jawapan / Answer :–0.9

(ii) Hitung nilai bagi (–2) +  .
256
2
3
Calculate the value of (–2) +  .
256
2
3
[2 markah / 2 marks]
Jawapan / Answer :
(–8 + 16) 2
= 8 2
= 64

(b) Graf garis berikut menunjukkan ketinggian bagi sekumpulan murid lelaki.
The following line graph shows the heights of a group of boys.

1.6
1.4
Ketinggian/Height (m) 1.0
1.2
0.8
0.6
0.4
0.2
0
Ali
Basir Chong David Ehsan
Murid lelaki/Boy
(i) Berapakah beza tinggi antara lelaki kedua tertinggi dengan lelaki terpendek?
What is the difference in height between the second tallest boy and the shortest boy?
[1 markah / 1 mark]
Jawapan/Answer : 1.4 – 0.8 = 0.6 m

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