1 416÷35×7,5=...1\ \frac{4}{16}\div\frac{3}{5}\times7,5=...1 164÷53×7,5=...
11 81811\ \frac{8}{18}11 188
13 42913\ \frac{4}{29}13 294
15 5815\ \frac{5}{8}15 85
10 4910\ \frac{4}{9}10 94