Va rog repedeeeee, dau coroanaaa​

Va Rog Repedeeeee Dau Coroanaaa class=

Răspuns :

Răspuns:

a) (2/7)¹⁷×(2/7)¹¹:(2/7)²⁸=(2/7)^(17+11):(2/7)²⁸=

(2/7)²⁸:(2/7)²⁸=(2/7)(²⁸-²⁸)=(2/7)⁰=1

b)=(1/3)¹⁴:(1/3)¹²=(1/3)¹⁴-¹²=(1/3)²=1/9

c)=(3/5)²⁴×(3/5)⁸:(3/5)³²=(3/5)²⁴+⁸:(3/5)³²=

(3/5)³²:(3/5)³²=(3/5)³²-³²=(3/5)⁰=1

d)=(5/11)⁴⁵×(5/11)²⁰:(5/11)⁶⁵=(5/11)⁶⁵:(5/11)⁶⁵=

(5/11)⁶⁵-⁶⁵=(5/11)⁰=1