Răspuns: Ai rezolvarile mai jos
Explicație pas cu pas:
[tex]\large\bf A=\big[(-3)^{2}\cdot (-3)^{10}:(-3)^{9}\big]^{3}:(-3)^{7}[/tex]
[tex]\large\bf A= \big[(-3)^{2+10}:(-3)^{9}\big]^{3}:(-3)^{7}[/tex]
[tex]\large\bf A=\big[(-3)^{12}:(-3)^{9}\big]^{3}:(-3)^{7}[/tex]
[tex]\large\bf A=\big[(-3)^{12-9}\big]^{3}:(-3)^{7}[/tex]
[tex]\large\bf A=\big[(-3)^{3}\big]^{3}:(-3)^{7}[/tex]
[tex]\large\bf A= (-3)^{3\cdot3}:(-3)^{7}[/tex]
[tex]\large\bf A=(-3)^{9}:(-3)^{7}[/tex]
[tex]\large\bf A=(-3)^{9-7}[/tex]
[tex]\large\bf A=(-3)^{2}[/tex]
[tex]\color{blue}\Large\boxed{\bf A=3^{2} =9}[/tex]
[tex]\large\bf C =\big[2^{7}\cdot (-2)^{12}:(-2)^{15}\big]:(-2)^{2}[/tex]
[tex]\large\bf C =\big[(-2)^{19}:(-2)^{15}\big]:(-2)^{2}[/tex]
[tex]\large\bf C =(-2)^{19-15}:(-2)^{2}[/tex]
[tex]\large\bf C =(-2)^{4}:(-2)^{2}[/tex]
[tex]\large\bf C =(-2)^{4-2}[/tex]
[tex]\large\bf C =(-2)^{2}[/tex]
[tex]\color{green}\Large\boxed{\bf C =2^{2} = 4}[/tex]
[tex]\large\bf E =\big[2^{45}\cdot (-4)^{5}\big]:(-8)^{5}:2^{6}[/tex]
[tex]\large\bf E =\big[-2^{45}\cdot 4^{5}\big]:(-8)^{5}:2^{6}[/tex]
[tex]\large\bf E =\big[-2^{45}\cdot (2^{2})^{5}\big]:(-2^{3})^{5}:2^{6}[/tex]
[tex]\large\bf E =\big[-2^{45}\cdot 2^{10}\big]:(-2)^{15}:2^{6}[/tex]
[tex]\large\bf E =(-2)^{55}:(-2)^{15}:2^{6}[/tex]
[tex]\large\bf E =(-2)^{55-15}:2^{6}[/tex]
[tex]\large\bf E =(-2)^{40}:2^{6}[/tex]
[tex]\large\bf E =2^{40}:2^{6}[/tex]
[tex]\large\bf E =2^{40-6}[/tex]
[tex]\color{red}\Large\boxed{\bf E =2^{34}}[/tex]
#copaceibrainly
