sat数学题 翻译解答(1)in the 30-day month of April,for every 3 days it rained,there were 2 days it did not rain.the number of days in April on which it rained was how much greater than the number of days on which it did not rain? A:6(2)a numbe
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![sat数学题 翻译解答(1)in the 30-day month of April,for every 3 days it rained,there were 2 days it did not rain.the number of days in April on which it rained was how much greater than the number of days on which it did not rain? A:6(2)a numbe](/uploads/image/z/2838927-39-7.jpg?t=sat%E6%95%B0%E5%AD%A6%E9%A2%98+%E7%BF%BB%E8%AF%91%E8%A7%A3%E7%AD%94%281%29in+the+30-day+month+of+April%2Cfor+every+3+days+it+rained%2Cthere+were+2+days+it+did+not+rain.the+number+of+days+in+April+on+which+it+rained+was+how+much+greater+than+the+number+of+days+on+which+it+did+not+rain%3F++A%3A6%282%29a+numbe)
sat数学题 翻译解答(1)in the 30-day month of April,for every 3 days it rained,there were 2 days it did not rain.the number of days in April on which it rained was how much greater than the number of days on which it did not rain? A:6(2)a numbe
sat数学题 翻译解答
(1)in the 30-day month of April,for every 3 days it rained,there were 2 days it did not rain.the number of days in April on which it rained was how much greater than the number of days on which it did not rain? A:6
(2)a number is added to 9 less than twice the number. if the result is 180,what is the number? A:63
sat数学题 翻译解答(1)in the 30-day month of April,for every 3 days it rained,there were 2 days it did not rain.the number of days in April on which it rained was how much greater than the number of days on which it did not rain? A:6(2)a numbe
1) 4月有30天,每三天要下雨,然后2天不下雨,问下雨的天数比不下雨的天数多几天...很明显30除以(3+2)=6.小学学过的等式不解释..
2)一个数加上比它本身的2倍小9的数,结果是180,问此数是多少.
即x+(2x-9)=180,x=63