A fraction \(\frac{a}{b}\) such that if add a number to both the numerator and the denominator, the value of this fraction is not changed.The fraction \(\frac{a}{b}\)=......
adam bought a number of ping-pong balls in a store in Texas, where a 5% sales tax is added to every purchase. If he didn't have to pay tax, he could have bought more 3 balls for the sam amount of money. How many balls did he buy
A beetle starts at correr A of a aquare ABCD. Each minute, the beetle moves along axactly one side of the squaer from one correr of the square to another correr. For exmple, in the first two minutes, the beetle could have one of 4 walks: ABA, ADA, ABC, ADC. How many walks can the beetle have from correr A to correr C in 10 minutes?
Tom's family have 40 chickens, after which he bought 24 chickens. The next day, the number of chickens increased by 2 times. How many chickens does Mr. Tom have?
Find the next term of the following sequence:
Tìm số hạng tiếp theo của dãy số có quy luật sau:
2017, 2016, 2012, 2003, 1987, ?
How many sides does a decagon have?
How many sides does a decagon have?
How many 5-digit numbers contain all the digits 1, 2, 3, 4 and 5 and have the property that the difference between each pair of adjacent digits is at least 2?
There are 50 oranges in the bag, 1st person bought 1/5 of total oranges. 2nd person bought 5 oranges. 3rd person have bought 1/3 of rest oranges. Because of the sour oranges, the 1st person brought to the salesman. Then 4th person bought 1/5 rest oranges. Finally, how many oranges did the salesman have after sold to 4 people?