0.384*102-0.768 简算
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0.384*102-0.768简算0.384*102-0.768简算0.384*102-0.768简算0.384×102-0.768=0.384×(100+2)-0.768=38.4+0.768-0.
0.384*102-0.768 简算
0.384*102-0.768 简算
0.384*102-0.768 简算
0.384×102-0.768
=0.384×(100+2)-0.768
=38.4+0.768-0.768
=38.4