13-day Yunnan Travel Notes (Plus Shanghai Diet Diary & Ale¡¯s Hand-drawn Travel Diary)

13-day Yunnan Travel Notes (Plus Shanghai Diet Diary & Ale¡¯s Hand-drawn Travel Diary)

Matematika 1.6ab×b2/3b
2.(3^-²)³×3^5×3^6/3²
3.2a³×3a⁴
4.5a²b×6b³/10ab​

1.6ab×b2/3b
2.(3^-²)³×3^5×3^6/3²
3.2a³×3a⁴
4.5a²b×6b³/10ab​

NOMOR 1.

[tex]( \frac{6ab \times {b}^{2} }{3b} ) = ( \frac{6}{3} a {b}^{1 + 2 - 1} ) = 2a {b}^{2} [/tex]

NOMOR 2.

[tex]( \frac{( { {3}^{ - 2}) }^{3} \times {3}^{5} \times {3}^{6} }{ {3}^{2} } )[/tex]

[tex] = ( \frac{ {3}^{ - 2 \times 3} \times {3}^{5} \times {3}^{6} }{ {3}^{2} } )[/tex]

[tex] = ( \frac{ {3}^{ - 6} \times {3}^{5} \times {3}^{6} }{ {3}^{2} } ) = {3}^{( - 6) + 5 + 6 - 2} = {3}^{3} [/tex]

NOMOR 3.

[tex]2 {a}^{3} \times 3 {a}^{4} = (2 \times 3) {a}^{3 + 4} = 6 {a}^{7} [/tex]

NOMOR 4.

[tex]( \frac{5 {a}^{2} b \times 6 {b}^{3} }{10ab} )[/tex]

[tex] = ( \frac{5 \times 6 {a}^{2} {b}^{1 + 3} }{10ab} )[/tex]

[tex] = ( \frac{30 {a}^{2} {b}^{4} }{10ab} ) = ( \frac{30}{10} {a}^{2 - 1} {b}^{4 - 1} ) = 3a {b}^{3} [/tex]

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