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 bythreemakesthree.