用简便方法计算 (598.1×372/5+5981×6.26)÷113/17+190×17/30.

问题描述:

用简便方法计算
(598.1×37

2
5
+5981×6.26)÷1
13
17
+190×
17
30

(598.1×37

2
5
+5981×6.26)÷1
13
17
+190×
17
30

=(598.1×37.4+598.1×62.6)÷
30
17
+190×
17
30

=598.1×(37.4+62.6)×
17
30
+190×
17
30

=598.1×100×
17
30
+190×
17
30

=
17
30
×(59810+190)
=
17
30
×60000
=34000