问题
解答题
计算:25÷(-5)×
|
答案
25÷(-5)×
-0.52÷(-1 5
)2×(-1)9,1 2
=-25×
×1 5
-(1 5
)2÷(1 2
)2×(-1),1 2
=-1-1×(-1),
=0.
计算:25÷(-5)×
|
25÷(-5)×
-0.52÷(-1 5
)2×(-1)9,1 2
=-25×
×1 5
-(1 5
)2÷(1 2
)2×(-1),1 2
=-1-1×(-1),
=0.