October 2018 1 27 Report

Uprość wyrażenie;

1. 6(a+2b) -3(2a - 3b)=

2. 4 (b+3) + 3 (a-b)=

3. 7 (b +c ) - 3 (b+ 2c)=

4. 5 (a + 3 ) + 2b - 3 (a +b )=

5. 6 (3 +z ) - 4 (2z +4 ) + 2 (8 + z)=

6. - 4 (2 x - 7 - 3 y) - 12 (- y - x)=


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