The central idea in explaining cause and effect is that‘one thing ________ to another’. The thing that leads to another is the ______, the thing that happens as a result is the _______.
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The three simple criteria to remember when identifying cause and effect are _________ precedence, ___________ of cause and effect and no __________ explanations.
输入两个数,求两个数的最大公约数,附件上交html文件。(最大公约数不记得的百度一下)
输入两个数,求两个数的最小公倍数,如: 9和6的最小公倍数是18。附件上交html。
打印2月份除2和12号中的天数,附件上交html文件。