解答
lcm
解答
求解步骤
质因数分解:
质因数分解
将每个因子乘以它在 或 中出现的最多次数
数字相乘:
流行的例子
Pawnee and Springfield are 420 miles apart. A train leaves Pawnee heading to Springfield at the same time a train leaves Springfield heading to Pawnee. One train is moving at a speed of 45 mph, and the other is moving 60 mph. How long will they travel before they meet?A person invests 8000 dollars in a bank. The bank pays 6.5% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 10500 dollars?The diameter of a circle is 12 miles. What is the circle's 周长?Tommy is 4 years older than Ron. 8 years ago, Tommy was 5 times as old as Ron. Find Ron's present age.5 more than three times a number is 35