输入一个整数 a,输出以下 10 个算式的结果:
算式一:a + 3
算式二:3 × a + 2
算式三:a × a × a
算式四:(a + 2) × (a + 5)
算式五:a × (a + 3) × (a + 6)
算式六:a × a × a × a × a
算式七:[ (a + 3) × 7 + 6 ] × 4 + 5
算式八:a × (a + 1) × (2 × a + 1)
算式九:(a + 1) × (a + 2) × (a + 3) × (a + 4)
算式十:a × a × a + 2 × a × a + 3 × a