
1.2 Hukum Indeks
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Mathematics
•
9th Grade
•
Medium
Eiz-one Moe
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5 Slides • 3 Questions
1
1.2 Hukum Indeks
OBJEKTIF:
Murid dapat menghubung kait pendaraban nombor dalam bentuk indeks yang mempunyai asas yang sama dengan pendaraban berulang, dan seterusnya membuat generalisasi.
2
CONTOH 1
CUBA FAHAMI KONSEP INI MURID-MURID...
A. 23 × 24 = 23 + 4
B. 32 × 33 = 32 + 3
C. 54 × 52 = 54 + 2
Secara generalisasi, am × an = a m + n
3
CONTOH 2
Ringkaskan setiap yang berikut.
(a) m3 × n2 × m4 × n5
JALAN KERJA:
= m3 × m4 × n2 × n5
= m3 + 4 × n2 + 5
= m7 × n7
= m7n7
4
CONTOH 3
Ringkaskan.
54 ÷ 52
= 54 – 2
= 52
Secara generalisasi, am ÷ an = a m – n
5
CONTOH 4
RINGKASKAN 12m10 ÷ 4m5 ÷ m2
= 12/4 (m10 ÷ m5 ÷ m2)
= 3(m10–5) ÷ m2
= 3m5 – 2
= 3m3
6
Multiple Choice
Nyatakan dalam bentuk indeks paling ringkas.
54 × 93 × 5 × 92
55 × 93 × 92
55 × 95
5 × 93 × 92
55 × 93+2
7
Multiple Choice
Permudahkan 45 ÷ 44
49
4
42
8
Multiple Choice
RINGKASKAN
–25h4 ÷ 5h2 ÷ h
- h
- 5
- 5h
1.2 Hukum Indeks
OBJEKTIF:
Murid dapat menghubung kait pendaraban nombor dalam bentuk indeks yang mempunyai asas yang sama dengan pendaraban berulang, dan seterusnya membuat generalisasi.
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