標題:

Form 1Math Consecutive number

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發問:

the smallest number of three consecutive even numbers is 2m, find their sum. 更新: Wrie down the nest two terms of sequences. A. 2,11,20,29,38 B. 24,19,14,9,4 C. 5,10,20,40,80 D. 81,-27,9,-3,1 更新 2: Next not nest

最佳解答:

A. 2,11,20,29,38 ,47,56 (+9) B. 24,19,14,9,4 ,-1,-6 (-5) C. 5,10,20,40,80 ,160,320 (x2) D. 81,-27,9,-3,1 ,負一分之三,一分之九 (除3,一正一負) the smallest number of three consecutive even numbers is 2m, find their sum. their sum =2m+(2m+2)+(2m+2+2) =6m+6

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