资讯

Equivalent fractions can be used to divide numbers by decimals. For example, \(4 \div 0.2\) is the same as \(\frac{4}{0.2}\). First, note that 0.2 has one decimal place, so multiply the numerator and ...
Multiplying and dividing whole numbers by numbers greater than 0 and less than 1 can be broken into a whole number calculation followed by multiplying or dividing by a power of 10, for example 10, 100 ...