Question

vaaaaaaaaaaa rrrrrrrrogggggg dau coroană​

Answer 1

(3⁵⁷:9²⁵×3¹⁰):3¹⁵=(3⁵⁷:(3²)²⁵×3¹⁰):3¹⁵=(3⁵⁷:3⁵⁰×3¹⁰):3¹⁵=3¹⁷:3¹⁵=3²=9

Answer 2

Răspuns:

b)

(3^57:9^25

$b)( {3}^{57} \div {9}^{25} \times {3}^{10} ) \div {3}^{15} = \\ ( {3}^{57} \div ( {3}^{2} ) ^{25} \times {3}^{10} ) \div { 3}^{15} = \\ ( {3}^{57} \div {3}^{50} \times {3}^{10} ) \div {3}^{15} = \\ ( {3}^{7} \times {3}^{10} ) \div {3}^{15} = \\ {3}^{17} \div {3}^{15} = {3}^{2}= {9}$

sper că te-am ajutat!!!