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Matematika Sekolah Dasar Quis



7/5 - (-1/3)² =


pakai cara!
no nyasal!
selamat mengerjakan :)​

Quis



7/5 - (-1/3)² =


pakai cara!
no nyasal!
selamat mengerjakan :)​

Penyelesaian :

[tex] \frac{7}{5} - ( - \frac{1}{3} )^{2} \\ \\ = \frac{7}{5} - ( - \frac{1}{3} )\times (- \frac{1}{3}) \\ \\ = \frac{7}{5} - ( \frac{1 \times 1}{3 \times 3}) \\ \\ = \frac{7}{5} - \frac{1}{9} \\ \\ = \frac{63}{45} - \frac{5}{45} \\ \\ = \frac{63 - 5}{45} \\ \\ \boxed{ = \frac{58}{45} } \\ \\ = \\ \\ penjelasan \\ \red{karena \: (-) \: ketemu \:( - ) \: maka \: bilangan \: itu \: menjadi \: ( + )}[/tex]

Penjelasan dengan langkah-langkah:

[tex] = \frac{7}{5} - {( - \frac{1}{3} )}^{2} [/tex]

[tex] = \frac{7}{5} - ( - \frac{1}{3} ) \times ( - \frac{1}{3} )[/tex]

[tex] = \frac{7}{5} - \frac{1}{9} [/tex]

[tex] = \frac{63}{45} - \frac{5}{45} [/tex]

[tex] = \frac{58}{45} [/tex]

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