1+11/3+12/3+2+21/3+22/3+3+31/3+32/3+.+29简便运算用简便运算算出这道题的答案
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/04 21:37:46
![1+11/3+12/3+2+21/3+22/3+3+31/3+32/3+.+29简便运算用简便运算算出这道题的答案](/uploads/image/z/67482-18-2.jpg?t=1%2B11%2F3%2B12%2F3%2B2%2B21%2F3%2B22%2F3%2B3%2B31%2F3%2B32%2F3%2B.%2B29%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E7%94%A8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E7%AE%97%E5%87%BA%E8%BF%99%E9%81%93%E9%A2%98%E7%9A%84%E7%AD%94%E6%A1%88)
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1+11/3+12/3+2+21/3+22/3+3+31/3+32/3+.+29简便运算用简便运算算出这道题的答案
1+11/3+12/3+2+21/3+22/3+3+31/3+32/3+.+29简便运算
用简便运算算出这道题的答案
1+11/3+12/3+2+21/3+22/3+3+31/3+32/3+.+29简便运算用简便运算算出这道题的答案
=1+2+...+29+11/3+21/3+...+291/3+12/3+22/3+...+292/3
=(1+29)*29/2+[(11+291)*29/2]/3+[(12+292)*29/2/3]
=15*29+151*29/3+152*29/3
=15*29+101*29
=116*29=3364