李恩銘:俄羅斯方塊html,css,javascript可在blogger執行

經典俄羅斯方塊 Tetris

李恩銘 俄羅斯方塊

Score

0

GAME OVER
按 R 重新開始
操作說明：
1 : 向左移動
3 : 向右移動
2 : 加速下落
5 : 順時針旋轉
0 : 逆時針旋轉
Space : 瞬間下落
R : 重新開始

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李恩銘EXCEL串接字串concatenate試算表歷史

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嵌入embed影片 嵌入網頁電子試算表發展歷史 excel常用函數 https://www.w3schools.com/excel/excel_functions.php Function Description =AND Returns TRUE or FALSE based on two or more conditions =AVERAGE Calculates the average (arithmetic mean) =AVERAGEIF Calculates the average of a range based on a TRUE or FALSE condition =AVERAGEIFS Calculates the average of a range based on one or more TRUE/FALSE conditions =CONCAT Links together the content of multiple cells =COUNT Counts cells with numbers in a range =COUNTA Counts all cells in a range that has values, both numbers and letters =COUNTBLANK Counts blank cells in a range =COUNTIF Counts cells as specified =COUNTIFS Counts cells in a range based on one or more TRUE or FALSE condition =IF Returns values based on a TRUE or FALSE condition =IFS Returns values based on one or more TRUE or FALSE conditions =LEFT Returns values from the left side of a cell =LOWER Reformats content to lowercase =MAX Returns the highest value in a range =MEDIAN Returns the middle v...
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