3.82×9.9+0.382用简便方法计算
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3.82×9.9+0.382用简便方法计算
![3.82×9.9+0.382用简便方法计算](/uploads/image/z/3721474-10-4.jpg?t=3.82%C3%979.9%2B0.382%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97)
幻の小希希,你好:
3.82×9.9+0.382
=3.82×9.9+3.82×0.1
=3.82×(9.9+0.1)
=3.82×10
=38.2
3.82×9.9+0.382
=3.82×9.9+3.82×0.1
=3.82×(9.9+0.1)
=3.82×10
=38.2