问题
填空题
计算:100-99+98-97+96-95+94-93+93-92+91=______.
答案
100-99+98-97+96-95+94-93+93-92+91,
=(100-99)+(98-97)+(96-95)+(94-93)+(93-92)+91,
=1×5+91,
=5+91,
=96.
故答案为:96.
计算:100-99+98-97+96-95+94-93+93-92+91=______.
100-99+98-97+96-95+94-93+93-92+91,
=(100-99)+(98-97)+(96-95)+(94-93)+(93-92)+91,
=1×5+91,
=5+91,
=96.
故答案为:96.