0.25乘6.7乘0.要简算的,列算式,
问题描述：
0.25乘6.7乘0.要简算的,列算式,
答
0.25乘6.7乘0.4
＝（0.25*0.4）*6.7
＝0.1*6.7
＝0.67
答
0.25=1/4
乘法交换律
0.25*0.4*6.7
=0.4*1/4*6.7
=0.1*6.7
=0.67