Sudoku

Every row and every column must contain all the numbers 1 to 9.

Dividing the 9 x 9 grid into 9 boxes (3 x 3), each box must also contain all the numbers 1 to 9.

1	2	3		4	5	6		7	8	9
10				11				12
13				14				15

16	17	18		19	20	21		22	23	24
25				26				27
28				29				30

31	32	33		34	35	36		37	38	39
40				41				42
43				44				45

Across:
1.	Add these numbers together to make 15.
4.	One of the numbers is 9.
7.	The number in the middle is the largest of the three
10.	The first number is even, the other two are odd numbers.
11.	The first number equals the sum of the other two numbers.
12.	The last number is 3.
13.	All three numbers are prime numbers.
14.	One of the numbers is 7.
15.	The number in the middle is 6.
16.	The third number is the square root of the first number.
19.	Multiply the three numbers together to make 60.
22.	Add the last two numbers together to make 15.
25.	The last number is 5.
26.	The middle number is double the first.
27.	This sequence contains 1,2 and 9, but not in that order.
28.	The middle number is the product of the outer numbers
29.	All of the numbers are odd.
30.	One of the numbers is 6.
31.	Multiply the numbers together to make 24.
34.	The middle number is the difference between the outer numbers
37.	The middle number is the sum of the outer numbers
40.	The middle number is 2.
41.	The final number is 4.
42.	One of the numbers is 6.
43.	Multiply the numbers together to make 135.
44.	One of the numbers is 7.
45.	Add the numbers together to make 13.

Down:
1.	The first number is 8.
2.	All the numbers are multiples of 3.
3.	Added together the numbers make 10.
4.	The first number is the cube root of the last number.
5.	The first number equals the last number minus the middle number.
6.	All are odd numbers.
7.	The middle number is 8.
8.	The number in the middle is smaller than the other two.
9.	Add the numbers together to make 8.
16.	The numbers do not include 1 or 5.
17.	1 is the first number.
18.	The largest of the three numbers is the middle one.
19.	The last number is the sum of the first two numbers.
20.	One of the numbers is 8.
21.	The numbers are 1, 2 and 3, but not in that order.
22.	All of the numbers are even.
23.	The middle number is 1.
24.	All of the numbers are odd.
31.	Add these numbers together to make 11.
32.	The first number is 4.
33.	None of the numbers are prime numbers.
34.	The last number is the largest of the three numbers.
35.	Multiply the numbers together to make 90.
36.	All of the numbers are even.
37.	All of the numbers are odd.
38.	The first number is the largest number of the group.
39.	The middle number is the difference between the outer numbers.