脱式计算怎么做啊?

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脱式计算怎么做啊?
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脱式计算怎么做啊?
脱式计算怎么做啊?

 

脱式计算怎么做啊?
6×(350-190)
=6×160
=960
(81+18)÷3
=99÷3
=33
204×3+96
=612+96
=708
38×4×5
=152×5
=760