Question

4.25×101的简便计算？

。

Answer 1

4.25×101
＝4.25×(100＋1)
＝4.25×100＋4.25 ×1
＝425＋4.25
＝429.25

Answer 2

4.25×101
＝4.25x（100＋1）
＝425＋4.25
＝429.25

Answer 3

4.25×100＋4.25×1＝425＋4.25＝429.25