问题
填空题
用计算器计算(结果精确到0.01). (1)
(2)
|
答案
(1)
-720
,6
=4.472-7×2.450,
=-12.678,
≈-12.68;
(2)
=8.0249222793753≈8.02.3 516.8
故答案为:(1)-12.68,(2)8.02.
用计算器计算(结果精确到0.01). (1)
(2)
|
(1)
-720
,6
=4.472-7×2.450,
=-12.678,
≈-12.68;
(2)
=8.0249222793753≈8.02.3 516.8
故答案为:(1)-12.68,(2)8.02.