你会做数学吗:100乘4除以100的平方根是多少呢?
Can you do the math: What is one hundred times four, divided by the square root of a hundred? If you know that, then you know the answer to this: How many years ago did three scientists at Texas Instruments invent the handheld electronic calculator? The answer is forty. The scientis…
: 你会做数学吗:100乘4除以100的平方根是多少呢?如果你知道,那么你就知道下面这个问题的答案:德州仪器的三位科学家在多少年前发明了便携式电子计算器。 答案是40。(三位)科学家是Jerry Merryman、James Van Tassel 和Jack Kilby。他们的第一款装置可以进行加、减、乘、除运算。它(计算器)具有12个字节的存储器,这与…