Zadanie 9/22 Matematyka 2 z plusem Treść: Oblicz sprytnie a) 4^5 x 5^6 = b)(3/5)^5 x (5/3)^6 = c)(4/9)^7 : (2/9)^8 d) (1 cała i 4/9)^5 : (4 całe i 1/3)^4
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a) 4^5 x 5^6 = 1024x15625=16000000
b) (3/5)^5 x (5/3)^6 =
243/3125x15625/729=3796875/2278125=1cała1518750/2278125=1cała i 2/3
c) (4/9)^7 : (2/9)^8=16384/4782969 : 256/43046721=
16384/4782969*43046721/256=
64/177147·159433=10203712/177147=57całych 106333/177147
d)(1 cała i 4/9)^5 : (4 całe i 1/3)^4=371293/59049:28561/81=
371293/59049*28561/81=10604499373/4782969=2217 całe 1373832/4782969