1+2+7+1+2+7+1+2+7+...+1+2+7=?(共36个数相加)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/31 19:31:34
![1+2+7+1+2+7+1+2+7+...+1+2+7=?(共36个数相加)](/uploads/image/z/3720689-17-9.jpg?t=1%2B2%2B7%2B1%2B2%2B7%2B1%2B2%2B7%2B...%2B1%2B2%2B7%3D%3F%28%E5%85%B136%E4%B8%AA%E6%95%B0%E7%9B%B8%E5%8A%A0%29)
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1+2+7+1+2+7+1+2+7+...+1+2+7=?(共36个数相加)
1+2+7+1+2+7+1+2+7+...+1+2+7=?(共36个数相加)
1+2+7+1+2+7+1+2+7+...+1+2+7=?(共36个数相加)
120
1 2 7相加等10 36个相加也就是12个10相加