18.37
1 plus negative 10 is equal to -9.
positive 10
No, 10 plus 9 cannot equal 21. The correct sum of 10 and 9 is 19. The statement that 10 plus 9 equals 21 is mathematically incorrect.
307
It is an arithmetical statement.
-10 plus 10 equals 0.
1 plus negative 10 is equal to -9.
10
yess
48 plus 22 plus 10 plus 10 plus 9 plus 1 is equal to 100.
-17.
positive 10
1 + 10 + 20 = 31
10020 plus 10-3 plus 8 is equal to 10,035
307
10 + 10 = 2020
It is an arithmetical statement.