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ecuatii:x+2,7=12,3. x÷6=-2/3. 3x+x=3,2. 2x+x=270

Răspuns :

Raymon
1)X+2.7=12.3...=>x=2.7+12.3=15.0.......
2)X÷6=2/3........x=6×2×3=36
3)3x+x=3.2.......x la puterea a 2a=3-3.2=0.2.....x=0.2×0.2=0.
4)2x+x=270.....x la a2a=270÷2=radical din135=5radical 5 sper ca iti place

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