问题
填空题
计算:-22-(-2)2=______;-1÷9×(-
|
答案
-22-(-2)2
=-4-4
=0;
-1÷9×(-
)1 9
=-1×
×(-1 9
)1 9
=
.1 81
故答案是:0,
.1 81
计算:-22-(-2)2=______;-1÷9×(-
|
-22-(-2)2
=-4-4
=0;
-1÷9×(-
)1 9
=-1×
×(-1 9
)1 9
=
.1 81
故答案是:0,
.1 81