Răspuns:
2.
a) (5³)⁶*5:5¹⁷=5¹⁸*5:5¹⁷=5²
b) 4³*2⁵*8⁷*16¹⁰=2⁶*2⁵*2²¹*2⁴⁰=2⁷²
c) 3⁷+3⁷+3⁷=3*3⁷=3⁸
d) (2⁴)²:2⁷+(3³)⁴:3⁶:3⁴=2⁸:2⁷+3¹²:3⁶:3⁴=2+3²
e) 2¹⁹⁹⁴+2¹⁹⁹³+2¹⁹⁹²-7*2¹⁹⁹²=2¹⁹⁹²*(2²+2+1-7)=2¹⁹⁹²*0=0
3.
a) 3²⁰<3⁶⁰
b) 51³⁹<71³⁹
c) (5⁴)¹⁰<5⁶² <=> 5⁴⁰<56²
d) 9¹⁰⁰>27⁶⁵ <=> 3²⁰⁰>3¹⁹⁵
e) 1¹³=1⁸¹ <=> 1=1
f) 0⁸⁷=0³⁵ <=> 0=0
g) 132⁰=231⁰ <=> 1=1
h) 5³⁸<3⁵⁷ <=> 25¹⁹<27¹⁹
