3.28×9.9+0.382简便计算求解

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3.28×9.9+0.382简便计算求解

3.28×9.9+0.382简便计算求解
3.28×9.9+0.382简便计算求解

3.28×9.9+0.382简便计算求解
3.28×9.9+0.328
=3.28×(9.9+0.1)
=3.28×10
=32.8
你的题有问题,前面的3.28和后面的0.382有一个是错的.

3.28×9.9+0.382
=3.28×9.9+3.28×0.1
=3.28×(9.9+0.1)
=3.28×10
=32.8

3.28×9.9+0.382
=3.28×9.9+3.28×0.1
=3.28×(9.9+0.1)
=3.28×10
=32.8

3.28×(10-0.1)+0.382
=32.8-0.328+0.382
=32.8+0.054
=32.854