You would round the numbers 6.8 = 7; 4.2 = 4
4 + 7 = 11.
136
68
If we add 51 and 17 (51 + 17), we'd get 68 for an answer. The number 51 is 50 + 1, and the number 17 is 10 + 7, taking the units digits, 1 + 7 equals 8, and 50 + 10 equals 60. Further, 8 plus 60 is 68, so the sum of 51 and 17 is 68.
180 = 180. Any other number does NOT equal 180.
10 + √68 (≈ 18.246) and 10 - √68 (≈ 1.754) (10 + √68) + (10 - √68) = 20 (10 + √68) x (10 - √68) = 32
The total sum is 96
-18
In terms of mathematics, addition is the acting of finding the sum of two numbers, sometimes denoted in a problem with the word "plus". For example, the answer to 68 plus 24 is 92.
42 ÷ 100 × 68 = 28.56
The GCF of 42 and 68 is 2
The GCF is 2.
(78 + 42 + 68 + 52) / 4 = 60
The Least Common Multiple (LCM) for 68 42 is 1,428.
145 plus 68 is equal to 213.
1428
221
68