早教吧 育儿知识 作业答案 考试题库 百科 知识分享

用递等式计算:4.7+9.69-5.46;200-(132+1080÷36);520-3000÷75×6;(1470+530)÷50×2.

题目详情
用递等式计算:
4.7+9.69-5.46;                  200-(132+1080÷36);
520-3000÷75×6;                 (1470+530)÷50×2.
用递等式计算:
4.7+9.69-5.46;                  200-(132+1080÷36);
520-3000÷75×6;                 (1470+530)÷50×2.


▼优质解答
答案和解析
(1)4.7+9.69-5.46
=14.39-5.46
=8.93

(2)200-(132+1080÷36)
=200-(132+30)
=200-162
=38

(3)520-3000÷75×6
=520-40×6
=520-240
=280

(4)(1470+530)÷50×2
=2000÷50×2
=40×2
=80