Скажите словами: a) 20,50,30,60,40,90,70,10,80. b) 81,74,92,45,63,38,56,27,99.

a) twenty, fifty, thirty, sixty, forty, ninety, seventy, one hundred, eighty;b) eighty-one, seventy-four, ninety-two, forty-five, sixty-three, thirty-eight, fifty-six, twenty-seven, ninety-nine.