> 5¼ + 2½ - 3 2/4
Jawaban:
4¼.
Penjelasan dengan langkah-langkah:
- 5¼ + 2½ - 3 2/4
- = 21/4 + 5/2 - 14/4
- = 21/4 + 10/4 - 14/4
- = 31/4 - 14/4
- = 17/4
- = 4¼ atau 4,25
Penyelesaian :
[tex] \sf \: = 5 \frac{1}{4} + 2 \frac{1}{2} - 3 \frac{2}{4} [/tex]
[tex] \sf = \frac{5 \times 4 + 1}{4} + \frac{2 \times 2 + 1}{2} - \frac{3 \times 4 + 2}{4} [/tex]
[tex] \sf \: = \frac{21}{4} + \frac{5}{2} - \frac{14}{4} [/tex]
[tex] \sf \: = \frac{21}{4} + \frac{5 \times 2}{2 \times 2} - \frac{14}{4} [/tex]
[tex] \sf \: = \frac{21}{4} + \frac{10}{4} - \frac{14}{4} [/tex]
[tex] \sf \: = \frac{21 + 10 - 14}{4} [/tex]
[tex] \sf \: = \frac{31 - 14}{4} [/tex]
[tex] \sf \: = \frac{17}{4} [/tex]
[tex] \sf \: = 4 \frac{1}{4}[/tex]
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