作业帮0.125×0.25×0.5×0.4 简算
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/08 21:31:56
0.125×0.25×0.5×0.4 简算
0.125×0.25×0.5×0.4 简算
0.125×0.25×0.5×0.4 简算
1/8*1/4*1/2*2/5=1/160
(0.125*8*0.25*4*0.5*2*0.4*10)/(8*4*2*10)=4/640=1/160
现算0.25×0.4，得0.1，再用0.1×0.5的0.05，最后再用0.05×0.125的160分之1
=0.4×0.25×0.125×0.5
=0.1×0.125×0.5
=0.0125×0.5
=0.00625(1/160)
0.25*0.4=0.1
0.125*0.5=0.0625
0.0625*0.1=0.00625
0.125×0.25×0.5×0.4=（0.4×0.25）×0.5×0.125＝0.1＝0.1×0.0625=0.00625
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