EXAMPLE: 27.295 + .0287 + 591.68 + 9.1846.

27.295

.0287

591.68

9.1846

--------

628.1883 _Ans._

Write the numbers so that the same powers of 10 come under one another,

or, what is the same thing, write the numbers so that the decimal points

come under one another. Then, adding the ten-thousandths first, 6, 13,

carry 1, etc.

The Circle of Knowledge: A Classified, Simplified, Visualized Book of Answers · 第 1174 / 1638 题