学习笔记(66):R语言入门基础-九九乘法表

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九九乘法表

for (i in 1:9) {
    for (j in 1:i) {
        cat(j,"×",i,"=",i*j,"  ")
    }
    cat("\n")
}

对应结果：

1 × 1 = 1   
1 × 2 = 2   2 × 2 = 4   
1 × 3 = 3   2 × 3 = 6   3 × 3 = 9   
1 × 4 = 4   2 × 4 = 8   3 × 4 = 12   4 × 4 = 16   
1 × 5 = 5   2 × 5 = 10   3 × 5 = 15   4 × 5 = 20   5 × 5 = 25   
1 × 6 = 6   2 × 6 = 12   3 × 6 = 18   4 × 6 = 24   5 × 6 = 30   6 × 6 = 36   
1 × 7 = 7   2 × 7 = 14   3 × 7 = 21   4 × 7 = 28   5 × 7 = 35   6 × 7 = 42   7 × 7 = 49   
1 × 8 = 8   2 × 8 = 16   3 × 8 = 24   4 × 8 = 32   5 × 8 = 40   6 × 8 = 48   7 × 8 = 56   8 × 8 = 64   
1 × 9 = 9   2 × 9 = 18   3 × 9 = 27   4 × 9 = 36   5 × 9 = 45   6 × 9 = 54   7 × 9 = 63   8 × 9 = 72   9 × 9 = 81