Question

3.83x4.56+3.83x5.49的简便算式？

Answer 1

3.83x4.51+3.83x5.49
=3.83x(4.51+5.49)
=3.83x10
=38.3

Answer 2

3.83×4.56＋3.83×5.49
＝3.83×（4.56＋5.49）
＝3.83×10.05
＝3.83×10＋3.83×0.05
＝38.3＋0.1915
＝38.4915