小学生数学口卡训练 —— Kotlin版_口卡练习小程序

稍后完善

        var total: Int = 0
        var k = 0
        var j = 0
        var mathlist = arrayListOf("")
 
        //对应第一幅图
        val num: Int = 20
        for (a in 1..20) {
            if (a > 9) {
                k = 20 - a
                for (j in 0..k) {
                    //println(j)
                    println("${a} + ${j} =")
                    mathlist.add("${a} + ${j} =")
                    total += 1
                }
                //println(a)
            }
        }
        println(total)
 
        for (a in 0..10) {
            k = 10 - a
            for (j in 0..k) {
                if (j > 5 - a) {
                    //println(j)
                    //println("${j} + ${a} =")
                    mathlist.add("${j} + ${a} =")
                    total += 1
                }
                //println(a)
            }
        }
        println(total)
 
 
        for (a in 0..10) {
            k = 10 - a
            for (j in 0..10) {
                if (j > 5 && j >= a) {
                    //println(j)
                    //println("${j} - ${a} =")
                    mathlist.add("${j} - ${a} =")
                    total += 1
                }
                //println(a)
            }
        }
        println(total)

小学生数学口卡训练_figosoar的专栏-CSDN博客