Math problem in the fourth grade of primary school: the difference between a large number and a decimal is 18, and 3 times of a large number is 30 times more than 5 times of a decimal. What are large
Math problem in the fourth grade of primary school: the difference between a large number and a decimal is 18, and 3 times of a large number is 30 times more than 5 times of a decimal. What are large numbers and decimals?
Solution: Let the decimal be x and the large number be (x+ 18). 5x+30 = 3 (x+18) 5x+30 = 3x+545x-3x = 54-302x = 24x =12, that is,18 = 30a: O(∩_∩)O