12.56*0.76*0.4*8*2.5的简便算法急,今天解决

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/02 14:19:33
12.56*0.76*0.4*8*2.5的简便算法急,今天解决
x)343523&ZZ@Y-5<ٷ6O}ְTKVXif"}bah/!ZbR[CtGXl5L 44M@LCM$YjC#HD"nn i L̀b@~qAbgp

12.56*0.76*0.4*8*2.5的简便算法急,今天解决
12.56*0.76*0.4*8*2.5的简便算法
急,今天解决

12.56*0.76*0.4*8*2.5的简便算法急,今天解决
0.4*2.5=1
12.56*0.76*8
=(25/2+0.06)*(3/4+0.01)*8
=(25*0.12)*(3+0.04)
=75+0.36+1+0.0048
=76.3648