1A:
\(\dfrac{23}{40}=0,575;\dfrac{6}{9}=0,\left(6\right);\dfrac{13}{45}=0,2\left(8\right)\)
\(\dfrac{33}{90}=0,3\left(6\right)\)
\(\dfrac{4}{13}=0,\left(307692\right)\)
1B:
\(\dfrac{125}{100}=1,25;\dfrac{12}{18}=0,\left(6\right);\dfrac{27}{45}=0,6;\dfrac{77}{14}=5,5\)
\(\dfrac{19}{11}=1,\left(72\right)\)