Question

0.25*1.69*4简便计算？

Answer 1

0.25×1.69×4简便计算过程如下：
应用乘法交换律和乘法结合律：
0.25×1.69×4
=0.25×4×1.69
=（0.25×4）×1.69
=1×1.69
=1.69

Answer 2

0.25×1.69×4
=0.25×4×1.69
=1×1.69
=1.69

Answer 3

0.25×1.69×4
＝0.25×4×1.69
＝1.69

Answer 4

(0.25*4)*1.69=1.69

Answer 5

0.25*1.69*4
=0.25*4*1.69
=1*1.69
=1.69