一、常见英语前缀 1、a- 在……之上‖aboard prep. 在（船、飞机、车）上 2、ab-, abs- 离开，偏离‖abnormal a. 反常的 3、anti- 先‖anticipate vt. 预期 4、ac-, ad-, af-, ag-, ap-, ar-, as-, at-表加强意 ‖accuse vt. 指控 5、bene- 好‖beneficial a. 有益的 6、...
2. n./adj.+ en --- v. 使...soften, shorten, widen, threaten, sharpen.3. en + n. ---v. 使成为...endanger, enjoy, enlarge, enrich, enable,4. n. /adj. +fy---vt. 使…beautify, specify, simplify,变成名词 --ment: movement, development, payment, retirement, excite...
问题五: 证明等式. 需要用simplify化简函数.fprintf("--等式证明--")left = int(x^3*cos(a*x)^2, x);right = x^4/8 + (x^3/4/a - 3*x/8/a^3)*sin(2*a*x) + (3*x^2/8/a^2 - 3/16/a^4)*cos(2*a*x)+c;只需证明两者的一阶导数相同即可 (因为积分允许差一个...
1. S—Simplify. A great life is the result of simplifying your life. People often misinterpret what simplify means. It's not a way to remove work from your life. When you focus on simplifying your life you free up energy and time for the work that you enjoy and the...
输入：Simplify[Minimize[{340 x*y + 250 (2 x + y) + 450 y, 3*x*y == 1200, x > 0, y > 0}, {x, y}]]输出：{4000 (34 + Sqrt[35]), {x -> 4 Sqrt[35], y -> 20 Sqrt[5/7]}} 输出结果中“4000 (34 + Sqrt[35])”表示最优值，“{x -> 4 Sqrt[35],...
X=solve('x^3+m*x^2+n=0','x'); pretty(X) 解得x的根为 如果要解题过程的话，太痛苦了 根还可以等于这个东东： simplify(X) ans = (((m^3*n)/27 + n^2/4)^(1/2) - n/2 - m^3/27)^(1/3) - m/3 + m^2/(9*(((m^3*n)/27 + n^2/4)^(1/2) - n/2...
不能穿。adidas 43码1/3准确来说就是43.5码，下一个尺码才是是44码的。43 1/3码比43码要长一些的，是43和44 的中间码。
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这三双按照顺序为:1、阿迪达斯Adidas Originals NMD runner PK R-1 OG 2、耐克Nike MD runner 3、耐克Nike Air VaporMax2.0
3. cause (sb/sth) to be in a certain condition 使(某人[某事物])处于某种状况:rendered helpless by an accident 因出事故而束手无策Your action had rendered our contract invalid.你们的这种做法导致双方的合同失败。4. [especially passive 尤用于被动语态] give a performance of (music,a play,a ...