[tex] \frac{9}{10} - \frac{2}{5} + \frac{3}{4} [/tex]
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Penjelasan dengan langkah-langkah:
[tex] \bf \frac{9}{10} - \frac{2}{5} + \frac{3}{4} = [/tex]
[tex] = \frac{1}{2} + \frac{3}{4} [/tex]
[tex] = \frac{2}{4} + \frac{3}{4} [/tex]
[tex] = \frac{(2 + 3)}{4} [/tex]
[tex] = \frac{5}{4} [/tex]
[tex]{ \boxed{ \bf{ \blue{ = 1 \frac{1}{4}}}}} [/tex]