Page 3 - qua2

( )2 = ( )6
( )3 ( )9

( )3 = ( )6
( )2 ( )4

6 9+4 132

7 180 ∙ ( − 2) .7
180 ∙ (7 − 2) = 180 ∙ 5 = .8
.9
2 2%

2 ∙ 2 4 = %
100 = 100

: = 1 = −1
= (2 ∙ 1 − 1)(2 ∙ (−1) + 1) = 1 ∙ (−1) = −1

.10

1
2 ∙( + )

2
2 ∙( − )

2 +2 2+2 −2 2 =

3