是不是a is decreased by b 是b减a A decreased by b 就是a是不是a is decreased by b 是b减a A decreased by b 就是a减b

是不是a is decreased by b 是b减a A decreased by b 就是a是不是a is decreased by b 是b减a A decreased by b 就是a减b A is decreased by b 是a减b 为什么? sat a is decreased by b 是 a-b还是b-a啊 A decreased by B是A-B还是B-A? If y varies inversely as the square of x, then when x is doubled y is a) multiplied by 4 b) divided by 4 c) increased by 4 d) decreased by 4 e) unchanged帮忙翻译一下 不懂啊 英语数学题求英语达人翻译fourteen decreased by a number is equal to twice the same number plus eleven? The price of a gallon of gasoline at the pump increased by 10 percent at thea.increased; increased b.increased; decreased c.increased; did not change d.decreased; decreased e.decreased; increased if 5/4 of x is 20,what number is x decreased by 翻译就好! 英语翻译A setof 10 numbers has sum 100.Each number of the set is increased（增加）by 20,then multiplied（乘）by 20then decreased by 20.What is the sum of the numbers in the new set? A number decreased by the difference between eight and the number. If Margarets weight is decreased by 5% ,it will become 53.2 kg .What is Margaret's weightb now? Over the past decades,sea ice ___ in the Arctic as a result of global warming.A.had decreased B.decreased C.has been decreasing D.is decreasing x varies directly as y but inversely as z.if y is increased by 30% and z is decreased by 30%,how does x vary? 第一道：if the length of one of the legs of a right triangle is decreased by 10%,and the length of the other leg is increase by 20%,then what is the approximate percent change in the area of the triangle?第二道：if m is a positive integer,and 1.Half a number squared decreased by four to forth is thirty-three.2.Five times a number increased by five is seventy-five.3.A number to its square root times double the reciprocal of the number is one forth.如何用数学式子表达以上题目? 陈向东 最新GRE数学预测模拟试题4第22题If a is increased by 25% and b is decreased by 25%,the resulting numbers will be equal.What is the ratio of a to 这里的resulting numbers是什么意思?a和b是怎样的相互关系? 我们一般说decreased by 40%,但可以说decreased about 请说明理由, 急!懂英语和数学的来啊!The length and width of a rectangle are 12cm and 5cm respectively. If the length is increased by 50% and the width is decreased by 20%.(a)Find the original area of the rectangle.(b)Find the new area of the rectangle.(c