0.1x-0.3除以0.03-2x+1除以0.2

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0.1x-0.3除以0.03-2x+1除以0.2
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0.1x-0.3除以0.03-2x+1除以0.2
0.1x-0.3除以0.03-2x+1除以0.2

0.1x-0.3除以0.03-2x+1除以0.2
0.1x-0.3除以0.03-2x+1除以0.2
=(0.1x-0.3)/0.03-(2x+1)/0.2
=10x/3-10-10x-5
=-20x/3-15

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