package mainimport "fmt"// 方法一func main() {for i := 1; i < 10; i++ {for j := 1; j <= i; j++ {
fmt.Printf("%d * %d = %d", i, j, i * j)
fmt.Printf(" ")if i == j {
fmt.Println()
}
}
}
}// 输出效果// 1 * 1 = 1// 2 * 1 = 2 2 * 2 = 4// 3 * 1 = 3 3 * 2 = 6 3 * 3 = 9// 4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16// 5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25// 6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36 // 7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49// 8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64// 9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81// 方法二func main() {for i := 1; i < 10; i++ {for j := i; j < 10; j++ {if i != 1 && i == j {
fmt.Println()
}
fmt.Printf("%d * %d = %d", i, j, i * j)
fmt.Printf(" ")
}
}
}// 输出效果// 1 * 1 = 1 1 * 2 = 2 1 * 3 = 3 1 * 4 = 4 1 * 5 = 5 1 * 6 = 6 1 * 7 = 7 1 * 8 = 8 1 * 9 = 9 // 2 * 2 = 4 2 * 3 = 6 2 * 4 = 8 2 * 5 = 10 2 * 6 = 12 2 * 7 = 14 2 * 8 = 16 2 * 9 = 18// 3 * 3 = 9 3 * 4 = 12 3 * 5 = 15 3 * 6 = 18 3 * 7 = 21 3 * 8 = 24 3 * 9 = 27// 4 * 4 = 16 4 * 5 = 20 4 * 6 = 24 4 * 7 = 28 4 * 8 = 32 4 * 9 = 36// 5 * 5 = 25 5 * 6 = 30 5 * 7 = 35 5 * 8 = 40 5 * 9 = 45// 6 * 6 = 36 6 * 7 = 42 6 * 8 = 48 6 * 9 = 54// 7 * 7 = 49 7 * 8 = 56 7 * 9 = 63// 8 * 8 = 64 8 * 9 = 72// 9 * 9 = 81复制代码
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