问题
解答题
计算-52-[(-2)3+(1-0.8×
|
答案
-52-[(-2)3+(1-0.8×
)÷(-2)]3 4
=-25-[-8+(1-0.6)÷(-2)]
=-25-[-8+0.4÷(-2)]
=-25-[-8-0.2]
=-25+8.2
=-16.8.
计算-52-[(-2)3+(1-0.8×
|
-52-[(-2)3+(1-0.8×
)÷(-2)]3 4
=-25-[-8+(1-0.6)÷(-2)]
=-25-[-8+0.4÷(-2)]
=-25-[-8-0.2]
=-25+8.2
=-16.8.