Kopertina e librit Matematika 10 - 11: Pjesa II

Zgjidhja e ushtrimit 11

Zgjidhja e ushtrimit 11 të mësimit 1.2A në librin Matematika 10 - 11: Pjesa II nga shtëpia botuese Botime Pegi me autorë Steve Fearnley, June Haighton, Steve Lomax, Peter Mullarkey, James Nicholson dhe Matt Nixon.


Pyetja

Paraqitni sa më thjesht të jetë e mundur shprehjet:

  1. 42×33×424^2 \times 3^3 \times 4^2
  2. 85×72:828^5 \times 7^2 : 8^2
  3. 62×53×62×536^2 \times 5^3 \times 6^2 \times 5^3
  4. 54×23:525^4 \times 2^3 : 5^2
  5. 95×72×(72×92)39^5 \times 7^2 \times (7^2 \times 9^2)^3
  6. 82×56×(83:53)48^2 \times 5^6 \times (8^3 : 5^3)^4
  7. (93×25:23×92)2(9^3 \times 2^5 : 2^3 \times 9^2)^2
  8. 34×85×34×823^4 \times 8^5 \times 3^4 \times 8^2

Zgjidhja

  1. 42+2×33=44×334^{2+2} \times 3^3 = 4^4 \times 3^3
  2. 852×72=83×728^{5-2} \times 7^2 = 8^3 \times 7^2
  3. 62+2×53+3=64×566^{2+2} \times 5^{3+3} = 6^4 \times 5^6
  4. 542×23=52×235^{4-2} \times 2^3 = 5^2 \times 2^3
  5. 95×72×72×3×92×3=95×72×76×96=95+6×72+6=911×789^5 \times 7^2 \times 7^{2 \times 3} \times 9^{2 \times 3} = 9^5 \times 7^2 \times 7^6 \times 9^6 = 9^{5+6} \times 7^{2+6} = 9^{11} \times 7^8
  6. 82×56×812:512=82+12×5612=814×568^2 \times 5^6 \times 8^{12} : 5^{12} = 8^{2+12} \times 5^{6-12} = 8^{14} \times 5^{-6}
  7. 96×210:26×94=96+4×2106=910×249^6 \times 2^{10} : 2^6 \times 9^4 = 9^{6+4} \times 2^{10-6} = 9^{10} \times 2^4
  8. 34+4×85+2=38×873^{4+4} \times 8^{5+2} = 3^8 \times 8^7