Mathematics

Want to feel the joy of understanding and computing math problems?
Do you want to train in thinking, looking for problems solutions?
We recognize mathematics as a foundation of common sense, without which t isn't straightforward in the next career to achieve success. Whether as a manager, programmer, judge, mason, or electrician, you will make decisions every day, the quality of which will depend on your wisdom, maturity, concentration. The smartest and better decisions you make in life, the greater the potential for success in your personal and working life. We will help you with our portal with math questions and problems with their solutions. If you are looking for math material, you are getting ready for a prize, a graduate, a monitor, a nationwide knowledge test is also right here. In addition to examples, we also offer online math calculators.

News:
October 2020 - we help students and teachers with materials with examples from mathematics, physics, and electro - materials for distance teaching forms due to the ongoing COVID-19 pandemics.
March-April 2020 - we were hopelessly overwhelmed by math problems from our users (the first lockdowns due to COVID-19), and we managed to solve them all during the summer holidays.
Q1 2021 - we are tired of the year-long lockdown and closed schools. There was plenty of online distance learning. You certainly learned less than at school when you interact with your teacher and classmates.

• Last wagon
  A 200 m long train passes through the 700 m long tunnel so that a time of 1 minute elapses from the entry of the locomotive into the tunnel to the exit of the last wagon from the tunnel. Find the speed of the train.
• Grandma
  Grandma is 57 years older than her two twin granddaughters. If we add the ages of an old woman with both granddaughters, we get the number 99. How old is her old woman?
• Quadrilateral in circle
  A quadrilateral is inscribed in the circle so that its vertices divide the circle 1: 2: 3: 4. Find the sizes of its interior angles.
• AP sequence
  Identify the 11th term in the pattern by using the rule: Starting number 4 and Add 16.
• Whole pie
  If you have one whole pie and 1/2 is giving away and 1/4 is eaten and how much do you have left
• Volleyball 2
  In a volleyball game, Michael made 4 shots in 8 tries. At this rate, how many shots can he make in 12 tries?
• Convex angle
  There is a circle k (S; r) and a point A, which lies on this circle. There is also a point B on the circumference, for which it is true that in one direction it is five times further from the point A than in the opposite direction (around the circumferenc

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