Question

84.75-(2.89-0.85)的简便运算应该怎么算？

Answer 1

84.75-(2.89-0.85)的简便运算就是
84.75+0.85-2.89
=85.6-2.89
=82.71

Answer 2

解棚判:84.75-（碰闹2.89-0.85）笑和罩

---

=84.75-2.89+0.85

---

=84.75+0.25+0.6-2.89

---

=85.6-2.89

---

=82.71

Answer 3

84.75-(2.89-0.85)=82.71
简便运颂晌算如灶橡下隐樱旁

84.75-(2.89-0.85)
=84.75-(2.89-0.25－0.6)
=84.75+0.25+0.6-2.89
=85.6－2.89
=82.71

Answer 4

84.75-（2.89-0.85）弯带谨圆=82.71
-2.89-（-0.85）埋晌芦=-2.04
84.75-2.04=82.71
2.89-0.85=2.04
84.75-2.89=81.86
81.86-（-0.85）=82.71

Answer 5

这道题的简便算法应告码败茄该等于84.75+0.85再-2.89。元氏等于85.6-2.89最袜枯哪终结果等于82.71。