The difference between two square numbers is 51. What can be these two numbers? 答案 26 and 25; or 10 and 7.a2−b2=(a+b)(a−b)=51,故{a+b=51a−b=1或{a+b=17a−b=3,解得{a=26b=25或{a=10b=7,所以这两个平方数是676和625,或100和49.相关推荐 1The difference between tw...
The difference between two square numbers is 611. Find the sum of the possible value of the larger square? 有两个平方数之差为611,求较大平方数的可能值之和.相关知识点: 试题来源: 解析 94536. 611=13×47/1×611, ∴30,17/306,305, ∴93636+900=94536....
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In July 2012, the ATLAS and CMS collaborations at the CERN Large Hadron Collider announced the observation of a Higgs boson at a mass of around 125 gigaelectronvolts. Ten years later, and with the data corresponding to the production of a 30-times lar
22.Which is the right order of the activities? ① going to the classroom ② listening to the introduction ③ having the drawing lesson A.①-③-② B.②-①-③ C.③-②-① 23.When will the designer come? A.On Tuesday. B.On Wednesday. C.On Thursday. ...
42、 right?数学词汇1数学符号等于:=equal to, the same as, is不等:>more than<less thanno less thanno more than加:+add, plus, more than; sum减:-minus, subtract; less than; difference乘:×multiply, times; product 除:÷divide; quotient 绝对值: absolute value平方:X2square立方:X3cube开平...
recognize the approximate difference between two numbers keep precise track of small numbers, and do simple subtraction and addition problems. And when babies are mathematizing like this, they activate the same parts of the brain that are associated with mathematical thinking and reasoning in adults ...
Question: Can you find two numbers which have a product of 12 and a sum of 7?Answer: 4 and 3 are a the answers. 4 multiplied by 3 is 12. 4 add 3 is 7. Question: How do you multiply the sum of 12 and 8 by their difference?
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A chi-square (χ2)statistic is a measure of the difference between the observed and expected frequencies of the outcomes of a set of events or variables. Chi-square is useful for analyzing such differences in categorical variables, especially those nominal in nature. ...