金字塔中所有数字1 1+2+1 1+2+3+2+1 1+2+3+4+3+2+1 1+2+3+4+5+4+3+2+1 1+2+3+4+5+6+5+4+3+2+1 1+2+3+4+5+6+7+6+5++4+3+2+1 1+2+3+4+5+6+7+8+7+6+5+4+3+2+11+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1要简便算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 13:00:30
![金字塔中所有数字1 1+2+1 1+2+3+2+1 1+2+3+4+3+2+1 1+2+3+4+5+4+3+2+1 1+2+3+4+5+6+5+4+3+2+1 1+2+3+4+5+6+7+6+5++4+3+2+1 1+2+3+4+5+6+7+8+7+6+5+4+3+2+11+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1要简便算](/uploads/image/z/7129198-46-8.jpg?t=%E9%87%91%E5%AD%97%E5%A1%94%E4%B8%AD%E6%89%80%E6%9C%89%E6%95%B0%E5%AD%971+++++++1%2B2%2B1++++++1%2B2%2B3%2B2%2B1+++++1%2B2%2B3%2B4%2B3%2B2%2B1++++1%2B2%2B3%2B4%2B5%2B4%2B3%2B2%2B1+++1%2B2%2B3%2B4%2B5%2B6%2B5%2B4%2B3%2B2%2B1++1%2B2%2B3%2B4%2B5%2B6%2B7%2B6%2B5%2B%2B4%2B3%2B2%2B1+1%2B2%2B3%2B4%2B5%2B6%2B7%2B8%2B7%2B6%2B5%2B4%2B3%2B2%2B11%2B2%2B3%2B4%2B5%2B6%2B7%2B8%2B9%2B8%2B7%2B6%2B5%2B4%2B3%2B2%2B1%E8%A6%81%E7%AE%80%E4%BE%BF%E7%AE%97)
金字塔中所有数字1 1+2+1 1+2+3+2+1 1+2+3+4+3+2+1 1+2+3+4+5+4+3+2+1 1+2+3+4+5+6+5+4+3+2+1 1+2+3+4+5+6+7+6+5++4+3+2+1 1+2+3+4+5+6+7+8+7+6+5+4+3+2+11+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1要简便算
金字塔中所有数字
1
1+2+1
1+2+3+2+1
1+2+3+4+3+2+1
1+2+3+4+5+4+3+2+1
1+2+3+4+5+6+5+4+3+2+1
1+2+3+4+5+6+7+6+5++4+3+2+1
1+2+3+4+5+6+7+8+7+6+5+4+3+2+1
1+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1
要简便算
金字塔中所有数字1 1+2+1 1+2+3+2+1 1+2+3+4+3+2+1 1+2+3+4+5+4+3+2+1 1+2+3+4+5+6+5+4+3+2+1 1+2+3+4+5+6+7+6+5++4+3+2+1 1+2+3+4+5+6+7+8+7+6+5+4+3+2+11+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1要简便算
1 =1
1+2+1 =4
1+2+3+2+1 =9
1+2+3+4+3+2+1 =16
1+2+3+4+5+4+3+2+1 =25
1+2+3+4+5+6+5+4+3+2+1 =36
1+2+3+4+5+6+7+6+5++4+3+2+1 =49
1+2+3+4+5+6+7+8+7+6+5+4+3+2+1 =64
1+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1 =81
1*1=1
2*2=4
3*3=9
4*4=16
以此类推...
25
36
49
64
81