Question

5乘38乘4乘5用简便方法计算是什么

Answer 1

=38乘（4乘5乘5）=38乘100=3800

Answer 2

5×4×5=100,100×30=3800

Answer 3

用乘法结合律简算
5×38×4×5
＝﹙5×5×4﹚×38
＝100×38
＝3800

Answer 4

5×38××4×5
=38×(5×4×5)
=38×100
=3800.