问题
填空题
|
答案
+1 99
+2 99
+3 99
+4 99
+…+5 99
+97 99
,98 99
=
,(1+98)×98÷2 99
=
,99×98÷2 99
=98÷2,
=49.
故答案为:49.
|
+1 99
+2 99
+3 99
+4 99
+…+5 99
+97 99
,98 99
=
,(1+98)×98÷2 99
=
,99×98÷2 99
=98÷2,
=49.
故答案为:49.