Given a + B = 3, X-Y = 1, find the value of A2 + 2Ab + b2-x + y

∵a+b=3，x-y=1，∴a2+2ab+b2-x+y=（a+b）2-（x-y）=9-1=8．

RELATED INFORMATIONS

1. Teach me a math problem 1 + 2 + 3 +. + 100 =?
2. Simple calculation: 23 × 4 × 8 × 25 What's the formula
3. Xiao Wang from 1, 5, 9, 13, 17, 21, 25, 29, 33, 37 If the sum of three consecutive numbers is 159, then the product of the three numbers is 159___________
4. 16.12 × 99 × 16.12 simple calculation is killing me!
5. Simple calculation of 5.48 + 3.6 + 4.52 + 6.4
6. Simple mathematical calculation 11 / 13 * 6 / 19 + 6 / 13 * 8 / 19 Simple mathematical calculation 11/13*6/19+6/13*8/19 Eleven thirteen times six nineteen plus six thirteen times eight nineteen --------------------------------------------------------------------
7. How to calculate the simple calculation of grade 4 mathematics? The answer is 14
8. How to calculate 0.63 * 7.5 + 0.063 * 25 simply
9. How about 3 / 4 × [- 9] + 3 / 4 × [- 15]
10. 2.25 × 7.2 + 2.8 △ 1 / 9 simple operation!
11. How to simplify 28 of 42 math problems in Grade 5 of primary school
12. Proportion of circle______ It's called the area of a circle
13. 32:24 one sixth to three 1.25:0.75 11 / 12 vs. 5 / 24 4.5:5 1:2.6 Four in seven vs one in three 15:24 16:2.4
14. 2:12:25:8, simplify the ratio and calculate the ratio
15. Ratio: 1 / 12 of 12=____ Simplification ratio: 5 / 6=____
16. (simplify ratio and calculate ratio) 3 / 4:8:50.18:2.4 3 / 4:0.25 5 / 6
17. What's 78 / 5 (97 / 30 + 8 / 3) = 4? It's how to solve the equation.
18. Find the law 2,5,10, x, 26,37,50. What is the number represented by X
19. 1 / 2, 1 / 4, 1 / 10, 1 / 26 () ()
20. 1. 18 / 5, 3 / 16 and 7 / 24 The requirement is to divide the three numbers