(9+9×9+9×9)×0.01[(9+1)×9+9×9]x0.01(10×9+9×9)×0.019×(10+9)×0.019×19×0.01=1.71
(9+9x9+9x9)x0.01=[9x(1+1+9+9)-9]x0.01=(9x20-9)x0.01=(180-9)x0.01=171x0.01=1.71
(9+9X9+9x9)X0.01=[9x(1+9+9)]x0.01=[9x19]X0.01=171x0.01=1.71