Page 14 - Steady Mate Tg1 - Book A

Matematik Tingkatan 1 Bab 1 Nombor Nisbah

MESTI TAHU & INGAT

( ) × atau / or ÷ + atau / or –

a ÷ c = a × d
b d b c

M Hitung. TP 3 ARAS S
Calculate.

Contoh Lakukan operasi 1. – 9 × –1 + 2 2 2. 1 5 – 1 1 2 × 1 2
1
1
dalam tanda kurung 14 4 3 8 2 7
1
3
3 × –1 – 4 2 dahulu.
1
7 5 15 Perform the = – 9 × – 5 + 2 2 = 1 5 – 3 2 × 9
operation in the 14 4 3 8 2 7
1
3 8 4 brackets first.
= × – – 2 9 15 8 5 12 9
1
7 5 15 = – × – + 2 = 1 – 2 ×
14 12 12 8 8 7
1
3 24 4
= × – – 2 9 7 7 9
1
7 15 15 = – × – 2 = – ×
14 12 8 7
1
3 28
= × – 2 3 9
7 15 = 8 = – 8
4
= – 1
5 = –1
8
3
Contoh 3. 5 – 1 ÷ 1 1 4. –1 + 2 ÷ –1 2 2
1
4
Lakukan operasi 6 4 8 5 3 3
1
3 – 1 ÷ 4 bahagi dahulu. 5 7 9 9 2 5
1 2
4 4 5 Perform the division = 6 – 4 ÷ 8 = – + ÷ –
first. 5 3 3
3 5 5
= – × = 5 – 7 × 8 9 2 3
1 2
4 4 4 = – + × –
Tukar ÷ kepada × dan 6 4 9 5 3 5
3 25 tulis pembahagi dalam
= – bentuk salingan. = 5 – 14 9 2
4 16 = – –
Change ÷ to × and write 6 9 5 5
12 25 the reciprocal of the
= – = 15 – 28 11
16 16 divisor. 18 18 = –
13 5
= – 13 1
16 = – = –2
18 5
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