32 又4/5*19.69-3.28*196 又4/5
问题描述：
32 又4/5*19.69-3.28*196 又4/5
简算
答
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