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
+5981×6.26)÷12 5
+190×13 17
. 17 30
答
(598.1×37
+5981×6.26)÷12 5
+190×13 17
17 30
=(598.1×37.4+598.1×62.6)÷
+190×30 17
17 30
=598.1×(37.4+62.6)×
+190×17 30
17 30
=598.1×100×
+190×17 30
17 30
=
×(59810+190)17 30
=
×6000017 30
=34000