The meaning of three tenths minus two fifths is that we know that two addends () are three tenths and one of them is () to find another addend emergency

The meaning of three tenths minus two fifths is that we know that two addends () are three tenths and one of them is () to find another addend emergency


The meaning of subtracting two tenths from three tenths is that it is known that the sum of two addends is three tenths and one of the addends is (2 / 15) to find another addend



The meaning of multiplying a decimal by an integer is to calculate the sum of several () addends. The meaning of multiplying a decimal by a number is to calculate the number of () of the number
Just answer the questions in brackets and separate them


The meaning of multiplying a decimal by an integer is to calculate the sum of several (same) addends. The meaning of multiplying a number by a decimal is to calculate the number of the number



The meaning of decimal division is the same as that of (), which is the operation of finding another () by knowing the product of () and one of them


The meaning of decimal division is the same as that of integer division. It is the operation of finding the other factor by knowing the product of two factors and one of them. "



The significance and application of fractional division______ They are all known______ And______ , seek______ It's a simple operation


The meaning of fractional division is the same as that of integer division. It is the operation of finding the other factor by knowing the product of two numbers and one factor. So the answer is: integer division, the product of two numbers, one factor and the other factor



The significance and application of decimal division______ The same is known______ , seek______ It's a simple operation


The meaning of decimal division is the same as that of integer division, that is, the operation of finding another factor when the product of two factors and one of them is known



In 7 of a, a is an integer. When a = (), it is a false fraction. These false fractions are ()


1,2,3,4,5,6,7; seven out of one, seven out of two, seven out of three, seven out of four, seven out of five, seven out of six, seven out of seven



Convert the following false fractions into fractions or integers: 20 / 5, 31 / 6, 12 / 7


4,5 1/6,1 5/7



To make 3 / 7 false is ()
A: 24 / 7 B: 13 / 7 C: 63 / 7 d: 24 / 3


A: Twenty four out of seven



Three and four out of seven become false scores


3 and 4 out of 7 = 25 out of 7



Write 3 true fractions and 3 false fractions with 7 as the denominator


Many, such as true score 2 / 7, 4 / 7
False score 15 / 7 8 / 7