Page 185 - og_7den_8e_Mat

ÜSLÜ İFADELER

KONU ANLATIMI

1 n a –n b n
 = a ve ( ) = ( ) dir.
a –n b a

1 1 1 1
4
3
3
1
8) = 2 = 8 = 10 = 10 – = –3 = – 81 = (–2) = –8
2 –3 10 –1 3 –4 (–2) –3
1 1 1 1
a) = b) = c) – = ç) =
4 –2 10 –3 5 –2 (–20) –2

7 3 5 10 3
9) = 7 · 2 = 56 a) = b) – = c) =
2 –3 10 –2 10 –1 (–5) –2

1 1 –4 1 1 1
10) = = 2 a) = b) = c) – =
16 2 4 25 49 100

2 –2 3 2 9 1 –3 4 –1 1 –2
11) ( ) = ( ) = a) ( ) = b) ( ) = c) ( ) =
3 2 4 5 7 10

3
2
3
0
2
12) 2 + (–2) – 1 = 8 + (–8) – 1 = 8 – 8 –1= –1 13) 5 – 7 + 10 = 25 – 49 + 1 = –23
3
3
2
2
3
a) –4 + (–3) + 5 = a) 6 – (–4) – 2 =
1 1 3 4 7
–1
–2
14) 2 + 3 = + = + =
4 3 12 12 12
3
–2
–1
a) 5 + 2 –2 = b) –2 – 2 + 3 =
–3 0
–4
–1
c) (–1) + (–3) –3 = ç) (2 ) – 4 =

1 2
3
2
15) + = 3 +2 · 2 = 9 + 2 · 8 = 25
3 –2 2 –3
2 1 3 1 5
a) – = b) –2 – + =
4 –2 5 –1 6 –1 10 –2

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