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The area of a rectangle is 24 square centimeters, the ratio of length to width is 3:2, and the circumference is () centimeters 2. A is 8 / 9 of B, the ratio of B to C is 6:7, and the ratio of a, B and C is () 3. The rectangle is divided into three triangles: A, B and C. the area of a is 12 square centimeters more than that of B, and the ratio of B to C is 2:3. How many square centimeters is the area of this rectangle? 4. For two engineering teams, if one fifth of the number of team a is transferred to team B, and then one sixth of the number of team B is transferred to team a, then the number of the two teams is equal. What is the ratio of the number of team a and team B? To calculate the formula, I am very satisfied with it!
1. The area of a rectangle is 24 square centimeters, the ratio of length to width is 3:2, and the perimeter is () centimeters. The length is 3x, the width is 2x 6xx = 24x = 2, the perimeter = (3x + 2x) * 2 = 202, a: B = 1:8 / 9 = 9:8 = 27:24, B: C = 6:7 = 24:28, a: B: C = 27:24:283, let B be x, C be 3x / 2, a is x + 12, a = B +
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