(1)年号的读法： 1979←→nineteen seventy-nine or nineteen hundred(and) seventy-nine;  (2)电话号码、货币的读法： 1023←→one o two three;1227←→one double two(or two two)seven;.25←→four dollars(and)twenty-five(cents); (3)小数点的读法： 13.91←→thirteen decimal(point)nineone;0.23=nought demical two three; (4)算术式的读法： 2+3=5 Two plus three is(equals,isequal to)five. 5-3=2 Five minus three is equal to two. 3×2=6 Three times two is six.or Three by two are six. 9÷3=3 Nine divided by three makes three.