解题库

Learn how to solve the division problem 1/10 divided by 1/4. Get the step-by-step solution and understand the concept of dividing fractions. The answer is 2/5.

Learn how to multiply fractions with this step-by-step solution for 5/3 x 6/5. The answer is 2.

Learn how to subtract fractions with different denominators. This example shows how to solve 4/5 - 3/10, resulting in the answer 1/2.

Learn how to add fractions with different denominators. This step-by-step solution shows how to find the least common denominator, rewrite the fractions, and add them to get the answer: 5/6.

Simplify the complex number expression 1/i + 1/(1+i) + 1/(1-i). The solution is 1 - i.

Find out which number is larger: 3.8 or 3.11. The answer is 3.8.

Learn how to solve for the variable 'b' in the equation p = (a^2 + b^2 + c^2) / 2. This step-by-step guide shows you how to isolate 'b' and arrive at the solution: b = √(2p - a^2 - c^2).

Solve for x and y in the system of equations: (x-2)(y+5)=(x-1)(y+2) and (y-3)(x+4)=(x+7)(y-4). The solution is x=5 and y=7.

Find the product of 0.5 and 0.8. The answer is 0.40.

This problem simplifies a complex expression involving powers of the imaginary unit 'i'. The expression, i^6 + i^16 + i^26 + i^36 + i^46 + i^56, surprisingly evaluates to 0.