1,25×1/5+1,25=pakai cara nya
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[tex] \tt1.25 \times \frac{1}{5} + 1.25[/tex]
[tex] \tt = \frac{125}{100} \times \frac{1}{5} + \frac{125}{100} [/tex]
[tex] \tt = \frac{125 \times 1}{100 \times 5} + \frac{125}{100} [/tex]
[tex] \tt = \frac{125}{500} + \frac{125 \times 5}{100 \times 5} [/tex]
[tex] \tt = \frac{125}{500} + \frac{625}{500} [/tex]
[tex] \tt = \frac{750}{500} = 1 \frac{1}{2} [/tex]
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