hasil dari 2 1/5÷1 1/5-1 1/4 adalah......
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Jawaban:
Penyelesaian :
[tex]\sf 2 \frac{1}{5} \div 1\frac{1}{5} - 1 \frac{1}{4} [/tex]
[tex]\sf = ( \frac{11}{5} \div \frac{6}{5} ) - \frac{5}{4} [/tex]
[tex]\sf = ( \frac{11}{5} \times \frac{5}{6} ) - \frac{5}{4} [/tex]
[tex]\sf = ( \frac{11 \: \times \: 5}{5 \: \times \: 6} ) - \frac{5}{4} [/tex]
[tex]\sf = \frac{55}{30} - \frac{5}{4} [/tex]
[tex]\sf = \frac{110 \: - \: 75}{60} [/tex]
[tex]\sf = \frac{35}{60} [/tex]
[tex]\sf = \frac{7}{12} [/tex]
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