Упростить выражение: а) 7*х*у2 * 12 х3 * у; б) (-0,3а*в4)3; в) (4 а2)3; г) (1 1/3 * а2 * в3)2. Created by Diimaa. matematika-ru

3 * а2 * в3)2...

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Упростить выражение: а) 7*х*у2 * 12 х3 * у; б) (-0,3а*в4)3; в) (4 а2)3; г) (1 1/3 * а2 * в3)2

Answers & Comments

Svita14 $a) 7xy^2*12x^3=84x^4y^2$

$b)(-0,3a*b^4)^3=-0,9a^3b^{12}$

$c)(4a^2)^3=12a^6$

$d)( \frac{11}{3} *a^2*b^3)^2= \frac{22}{6} a^4b^6= \frac{11}{3} a^4b^6=3 \frac{2}{3} a^4 b^4$

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