八分之五减0.3加八分之三减0.2的简算

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八分之五减0.3加八分之三减0.2的简算

八分之五减0.3加八分之三减0.2的简算
八分之五减0.3加八分之三减0.2的简算

八分之五减0.3加八分之三减0.2的简算
八分之五减0.3加八分之三减0.2
=(8分之5+8分之3)-(0.3+0.2)
=1-0.5
=0.5

5/8-0.3+3/8-0.2 = (5+3)/8 - (0.3+0.2) = 1-0.5 = 0.5

(八分之五+八分之三)-(0.3+0.2)=0.5

5/8-0.3+3/8-0.2
=5/8+3/8-0.3-0.2
=1-0.3-0.2
=1-(0.3+0.2)
=0.5
谢谢,O(∩_∩)O~