765,487,655,973
564 plus 987 equals 1,551.
Any positive number added to it's negative is always = 0
No: -987-987=-1974 However, 987-987=0, -987+987=0
1,974
267 + 987 = 1254
2098 + 987 = 3,085
1273 + 987 = 2,260
987 + 157 is 1144.
987 - 345 = 642
the answer is simple is you have access to a calculator. The answer would not be so easy to find otherwise. The answer is 1,221,704.
1781
10 mm = 1 cm so 987 mm = 987/10 cm = 98.7 cm. Simple!