Кантрол
[tex](18 {a}^{4} + 27 {a}^{3}) \div (9 {a}^{2}) - 10 {a}^{3} \div (5a) = [/tex]
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Помогите
[tex](18 {a}^{4} + 27 {a}^{3}) \div (9 {a}^{2}) - 10 {a}^{3} \div (5a) = [/tex]
Help
Помогите
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Answers & Comments
(18a^4+27a^3)÷(9a^2)-10a^3÷(5a)= 18a^4+27a^3/9a^2 -2a^2= 9a^2(2a^2+3a)/9a^2 -2a^2= a^2(2a^2+3a)/a^2-2a^2= 2a^2+3a-2a^2= 3a
Решение см фото........