解答
解答
求解步骤
Translate the problem into an equation:
求解
流行的例子
twice the 差集 of a number and 2 is equal to 8The 半径 of a circle is 3 feet. What is the circle's area?What is the volume of a sphere with a 半径 of 6.3 cm, rounded to the nearest tenth of a cubic centimeter?The 面积 of a rectangle is 3,420 square feet. The width of the rectangle is 9 feet. What is the perimeter of the rectangle?The 直径 of a circle is 16 ft. Find its area to the nearest whole number.