Answer:
199÷10=19.9, 95/26, 73
Step-by-step explanation:
=(12×20+5)÷20+(20×1+11)÷20+(6×20+2)÷20
=245÷20+31÷20+122÷20
=(245+31+122)÷20
=(276+122)÷20
=398÷20
=199÷10
=19.9
9 5/10×5/8
=(10×9+5)/10×5/8
=95×5/(10×8)
=475/80
=95/26
7×10 3/7
7×(7×10+3)/7
7×73/7
73
