Page 47 - Steady Mate Tg1 - Book A

Matematik Tingkatan 1 Bab 5 Ungkapan Algebra

M Permudahkan setiap yang berikut. TP 2 ARAS R
Simplify each of the following.

3
Contoh 1. 8ab ÷ 2a b
3
8ab 3
3 2
10p q ÷ 5pq 3 =
2a b
3
3 2
10p q 4
= Tulis dalam bentuk pecahan 8 × a × b × b × b
5pq 3 Write in fraction form =
2 × a × a × a × b
1
2
10 × p × p × p × q × q 2
= = 4b
5 × p × q × q × q 2
1 a
2p 2
=
q
2. 2mn ÷ 6m n 3. –8x y ÷ 10x y
3
4 3
4 2
2mn –8x y
3
= =
6m n 10x y
4 2
4 3
1 4
2 × m × n 8 × x × x × x × y
= = –
6 × m × m × m × m × n × n 10 × x × x × x × x × y × y × y
3 5
1 4
= = –
3m n 5xy 2
3
N Permudahkan setiap yang berikut. TP 3 ARAS S
Simplify each of the following.
2
2
2 2
Contoh 1. 2pq × 6p q ÷ 4p q
2pq × 6p q
2
2
2 2
3
4a b × 3a b ÷ 6ab 3 =
2 2
4p q
4a b × 3a b
3
2 2
= 1 3
6ab 3 2 × p × q × q × 6 × p × p × q
=
2 1 2 4 × p × p × q × q
4 × a × a × a × b × 3 × a × a × b × b 1
=
6 × a × b × b × b = 3pq
3
1
= 2a 4
3
2. 16v w × vw ÷ 6v w 3. 15xy ÷ 9x y × 3xy
2
2
2
3 2
3
3
2
16v w × vw 2 3
= = 15xy × 3xy
2
6v w 9x y
3 2
8
16 × v × v × v × w × w × v × w × w 5 1
= 15 × x × y × y × y × 3 × x × y
6 × v × v × w =
3 9 × x × x × x × y × y
3
2
8v w 3 1
=
3 5y 2
=
x
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