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Calculati:

a) (2²·3²-5²)÷11
b) (3³)⁴÷3⁴-3²³
c) [(2⁵)²+2⁵-7⁰]÷[(2²)⁵+ 2²·2³-3⁸]
d) [(2⁸)³÷8÷(2⁶+2⁶)-16³·4⁵÷2⁸]÷2¹²+2
e) 9²³÷[3³³+3²°·27⁸+3⁶°÷81⁴]-2²°÷(2¹⁹+2¹⁹)


Răspuns :

a)1
[tex]2 ^{2}=4 [/tex]
a) (4*9-25):11=(36-25):11=11:11=1
b)[tex] 3^{12}:3^{4}-3^{8}=3^{8}-3^{8}=0[/tex]