解答
解答
求解步骤
Translate the problem into an equation:
求解
流行的例子
seven times the 差集 of a number and 4 is no more than 10two numbers are in ratio 1:1 and their sum is 15. Find the numbersAndrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?10 is 20% of what number?:[?]The 半径 of a circle is 5 in. Find its area to the nearest whole number.