问题
填空题
计算:(
|
答案
∵(
-1)(1 100
-1)(1 99
-1)…(1 98
-1)(1 4
-1)(1 3
-1)1 2
=-
×(-99 100
)×(-98 99
)×…×(-97 98
)1 2
=-
.1 100
故答案为:-
.1 100
计算:(
|
∵(
-1)(1 100
-1)(1 99
-1)…(1 98
-1)(1 4
-1)(1 3
-1)1 2
=-
×(-99 100
)×(-98 99
)×…×(-97 98
)1 2
=-
.1 100
故答案为:-
.1 100