1、首先将2.5拆解成5*0.5,则
0.3*2.5*0.4
=0.3*0.5*5*0.4
2、再计算5*0.4,则
0.3*0.5*(5*0.4)
=0.3*0.5*2
3、然后计算0.5*2
0.3*(0.5*2)
=0.3*1
4、最后计算0.3*1,则
0.3*2.5*0.4
=0.3*0.5*5*0.4
=0.3*0.5*2
=0.3*1
=0.3
时间:2026-02-13 11:28:17
1、首先将2.5拆解成5*0.5,则
0.3*2.5*0.4
=0.3*0.5*5*0.4
2、再计算5*0.4,则
0.3*0.5*(5*0.4)
=0.3*0.5*2
3、然后计算0.5*2
0.3*(0.5*2)
=0.3*1
4、最后计算0.3*1,则
0.3*2.5*0.4
=0.3*0.5*5*0.4
=0.3*0.5*2
=0.3*1
=0.3