Question

8.89-(5.89+1.7)的怎么计算？

Answer 1

简便计算8.89-(5.89+1.7)
解题思路：四则运算规则（按顺序计算、先算乘除后算加减，有括号先算括号，有乘方先算乘方）即脱式运算（递等式计算）需在该原则前提下进行
解题过程：

8.89-(5.89+1.7)

=8.89-5.89-1.7

=3-1.7

=1.3

存疑请追问，满意请采纳

Answer 2

根据题意计算过程如下，用到运算法则中去括号的内容。具体如下:8.89-(5.89+1.7)=8.89-5.89-1.7=3-1.7=1.3
以上为简便计算方法

Answer 3

8.89-(5.89+1.7)
=8.89-5.89-1.7
=3-1.7
=1.3

Answer 4

8.89-(5.89+1.7) 计算
=8.89-5.89-1.7
=3-1.7
=1.3

Answer 5

＝8.89-5.89-1.7
＝3-1.7
＝1.3