Question

((2-1 1/3)-(2,75-1,(3))-(1/4-2 3/4))÷2,625

Answer 1

(-9/3-(2,75-3)-(1/4-3/2))÷21/8=(-3-(-0,25)-(-5/4))*8/21=(-3+0,25+5/4)*8/21=(-3+1/4+5/4)*8/21=-3/2*8/21=-4/7

Answer 2

Let's break down the expression step by step:

1. Simplify the innermost parentheses first: ((2 - 1 1/3) - (2,75 - 1,(3)) - (1/4 - 2 3/4)) ÷ 2,625 = ((2 - 1 1/3) - (2.75 - 1.3) - (0.25 - 2.75)) ÷ 2.625

2. Perform the arithmetic inside each set of parentheses: = (0.6667 - 1.45 - (-2.5)) ÷ 2.625

3. Continue simplifying: = (0.6667 - 1.45 + 2.5) ÷ 2.625

4. Combine like terms: = (0.7167) ÷ 2.625

5. Finally, perform the division: ≈ 0.2731

So, the result of the expression is approximately 0.2731.