1+2+3+4+5+6+7+8+9+10=55
12 + 23 + 45 + 67 + 16 + 18 + 45 = 226
45 - 78 + 67 + 1904 + 6879 = -8,883
112
67
54
90
If you mean 67*10 plus 10*10 then it is as a number 770 = seven hundred and seventy
67.
54 + 3 + 10 = 67
45 + 70 ( rounding ) = 115... 67+85=
To calculate 67 tens plus 10 tens, you first convert the tens into their numerical values. This gives you 670 (from 67 tens) plus 100 (from 10 tens), which equals 770. Therefore, 67 tens plus 10 tens equals 770.
67 plus 67 plus 67 is equal to 201.