October 2018 2 7 Report

zredukuj podane wyrażenia:
1. 2x+4x-(-7x)=
2. -7x-5x+2B-(-4B)-7B+1=
3. 2,5D+(8A)+3,75D-4,8A+0,77=
4. cztery piąte A +JEDNA CAŁA I JEDNA DRUGA B -JEDNA DRUGA A - (-3B)=
5. -(-6x)+4Y-(-5z)+12X-4Y+2,02=
6.TRZY PIĄTE A +JEDNS CAŁA I JESNA DRUGA B - JEDNA DRUGA A -(-4B)=
7. -(-5X)+4Y- (- 5 Z) +12X-4Y+3,03=
PROSZĘ O OBLICZENIE BĘDE BARDZO WDZIĘCZNY


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