assalmu'alaikum...saya mohon bantuan nya ya kkヾ(＾-＾)ノ
pakai cara
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pakai cara
no ngasal
[tex] \frac{7}{30} + \frac{3}{20} - 4 \frac{1}{4} = ( \frac{7 \times 2}{30 \times 2} + \frac{3 \times 3}{20 \times 3} ) - \frac{(4 \times 4) + 1}{4} = ( \frac{14}{60} + \frac{9}{60} ) - \frac{17}{4} = \frac{23}{60} - \frac{17}{4} = \frac{23}{60} - \frac{17 \times 15}{4 \times 15} = \frac{23}{60} - \frac{255}{60} = ( - \frac{232}{60} ) = ( - 3 \frac{52 \div 4}{60 \div 4} ) = ( - 3 \frac{13}{15} )[/tex]
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maaf jika salah :)
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