Question

Dau coroanaaaa rpddd

Answer 1

Răspuns:

Explicație pas cu pas:

a) (3/2)²·(3/2)¹=(3/2)⁽²⁺¹⁾=(3/2)³=27/8

b) (13/10)¹²:(13/10)¹⁰=(13/10)⁽¹²⁻¹⁰⁾= (13/10)²=169/100=1,69

c) (14/100)⁹⁹:(14/100)⁹⁹=(14/100)⁽⁹⁹⁻⁹⁹⁾=(14/100)⁰=1

d) (5/4)⁵:(5/4)³=(5/4)⁽⁵⁻³⁾=(5/4)²=25/16

e) (4 1/4)⁸:(4 1/4)⁷=(4 1/4)⁽⁸⁻⁷⁾=(4 1/4)¹=17/4

f) (2/9)⁵:(6/27)⁴=(2/9)⁵:(2·3/9·3)⁴=(2/9)⁵:(2/9)⁴=(2/9)⁽⁵⁻⁴⁾=(2/9)¹=2/9

g) 125/8:(5/2)²=5³/2³:(5/2)²=(5/2)³:(5/2)²=(5/2)⁽³⁻²⁾=(5/.2)¹=5/2

h) (11/13)⁴⁹:(11/13)⁴⁹=(11/13)⁽⁴⁹⁻⁴⁹⁾=(11/13)⁰=1

i) (2 1/3)³⁶:(49/9)¹⁷=(7/3)³⁶:(7²/3²)¹⁷=(7/3)³⁶:(7/3)⁽²ˣ¹⁷⁾=(7/3)³⁶:(7/3)³⁴=(7/3)⁽³⁶⁻³⁴⁾=(7/3)²=49/9