32 又4/5*19.69-3.28*196 又4/5简算

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32 又4/5*19.69-3.28*196 又4/5
简算

32 又4/5*19.69-3.28*196 又4/5
=32.8x19.69-3.28x196.8
=32.8x19.69-32.8x19.68
=32.8x(19.69-19.68)
=32.8x0.01
=0.328