计算:1÷50+2÷50+…+98÷50+99÷50=_.

问题描述:

计算:1÷50+2÷50+…+98÷50+99÷50=______.

1÷50+2÷50+…+98÷50+99÷50
=

1
50
+
2
50
+
3
50
+…+
98
50
+
99
50

=
1+2+3+…+99
50

=
(1+99)×99÷2
50

=
50×99
50

=99;
故答案为:99.