Ответ:
\(1\frac{2}{3}+0.25=\frac{5}{3}+\frac{1}{4}=\frac{23}{12}\), а \(1.5-\frac{3}{4}=\frac{3}{4}\).
\(\frac{23}{12}:\frac{3}{4}=\frac{23}{12}\cdot\frac{4}{3}=\frac{23}{9}=2\frac{5}{9}.\)
Ответ: \(2\frac{5}{9}\).
\(1\frac{2}{3}+0.25=\frac{5}{3}+\frac{1}{4}=\frac{23}{12}\), а \(1.5-\frac{3}{4}=\frac{3}{4}\).
\(\frac{23}{12}:\frac{3}{4}=\frac{23}{12}\cdot\frac{4}{3}=\frac{23}{9}=2\frac{5}{9}.\)
Ответ: \(2\frac{5}{9}\).