October 2018 1 19 Report

Oblicz,skróć i podkreśl wyrazy podobne .

Działania algebraiczne .

1. (2x - y + 4) - (z + 14 y ) + 1/2 =

2. ( -2 x + 4/5 y - 2z ) + ( 2z - 0,2 y + 2 x ) =

3. 4 z - 2e - ( 12 a + 3 z - 1,5 e ) =

4. 12 y - ( 3 x - 8 y ) + ( 2 x - 4 y ) + x =

5. 2 ( a - 2b ) = 7 (3 a-b) =

6. 5 ( x - y ) + 2 ( 4 x i 2y ) - 3 ( 2 x + y ) =

7. 5 ( x + 2 y - 3 z ) - 2 ( 4 x - 3 y + z ) =

8. -( k - m - n ) + 2 ( k + 2 m + 3 n ) - kmn =

9. 2 p ( 3 p - 2 r ) + 3 r ( p - 2r ) =


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