aljabar kelas 7 SMP

<p>&nbsp;</p><p><strong>Penjelasan dengan langkah-langkah:</strong></p><p>Aljabar</p><p>Rumus yang digunakan :</p><p>a^m x a^n = a^(m+n)</p><p>a^m : a^n = a^(m-n)</p><p>Maka:</p><p>a). (25a³b)/(3a²b)</p><p>= (25/3)(a³-²)(b¹-¹)</p><p>= 25/3 . a¹ . b⁰</p><p>= 25a/3</p><p>&nbsp;</p><p>b). (45a⁵b³)/(3a²b²)</p><p>= (45/3)(a⁵-²)(b³-²)</p><p>= 15a³b¹</p><p>= 15a³b</p><p>&nbsp;</p><p>c). (-36a⁵b³)/(-4a⁴b³)</p><p>= (-36)/(-4) . a⁵-⁴ . b³-³</p><p>= 9 . a¹ . b⁰</p><p>= 9a</p><p>&nbsp;</p><p>d). (45a⁶b³)/(9a²b²)</p><p>= (45/9) . a⁶-² . b³-²</p><p>= 5a⁴b¹</p><p>= 5a⁴b</p><p>&nbsp;</p><p>:maaf ya kalo salah.</p>