Jawabanmu

2014-02-27T16:10:25+07:00
11/4 - 10/3 = 33/12 -40/12
= -7/12 x 2/5
= -7/20
2014-02-27T16:23:47+07:00
 2¾-3⅓:2½ = \frac{11}{4} - \frac{10}{3} : \frac{5}{2}
,,,,  \frac{11}{4}-[tex] \frac{3}{10} * \frac{5}{2}  \frac{11}{4} - \frac{3}{4} = \frac{8}{4}
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