这是一个基于C++开发的四则运算题目自动生成与批改系统。系统能够随机生成符合小学数学要求的四则运算题目（支持分数运算），并具备题目查重、答案批改等功能。项目采用模块化设计，包含表达式树、分数计算、文件处理等多个核心模块。

A simple looking grade-school math problem has stumped the masses. Can you solve it correctly? The simple equation shared by @BholanathDutta on X this week, who regularly posts brainteasers, read ...

Are we in a recession? Yes — if you live in one of these 22 states. AccuWeather's 2025-2026 winter forecast Scientists Found 7,000-Year-Old Mummies in the Desert That Don’t Share DNA With Modern ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

An excerpt from Monday's long decision by Judge Douglas Cole (S.D. Ohio) in Cahall v. Cole New Richmond Exempted Village School Dist. Bd. of Ed.: Plaintiff Karen Cahall is a third-grade math and ...

MOOSE JAW — The Vanier Vikings football team is calling on former players and school alumni to show their school pride at the second annual Grade 12 dedication football game, set to kick off at 6 p.m.

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Psychologists say that setting rules for how ...

Computer Science. Read all the latest developments in the computer sciences including articles on new software, hardware and systems.

Propel Cs-Mckeesport is a charter school located in McKeesport, PA, which is in a large suburb setting. The student population of Propel Cs-Mckeesport is 336 and the school serves K-8. At Propel ...

Morikami Park Elementary School is a public school located in Delray Beach, FL, which is in a large suburb setting. The student population of Morikami Park Elementary School is 802 and the school ...

🏠 First look: Foxhill La Jolla ⚽ SDFC’s first playoff win 💀 Día de los Muertos 🏠 Del Mar mansion sets record 🎭 The Old Globe at 90 The Miramar closure will force the city to find another landfill ...