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21 + 39 + 45 + 25 = 130

It depends on what x and y are.

17 plus 15 plus 13 equals 45.

The mathematical statement 31 plus 21 equals 52 as a total.

21+21+19+19=80

45 + 9 = 54

45 + 6 = 51

A equals 20.

It is 38 plus 7 equals 45

83

45

The statement 10 plus 21 equals 31 in total. It can also be written as 10 + 21 = 31.

commutative property

12 plus 9 equals 21.

2+45 = 47

1Hour & 30Mins..

45

273 13+8 = 21 and 13*21 = 273

45

79.

45

71. :-)

1 100 + 50 + 90 + 45 _____ 285

5

The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.