1.25*3.6简便算法1.25*3.6简便算法啊!

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/01 11:27:41
1.25*3.6简便算法1.25*3.6简便算法啊!
x)33223{ɾMy*6SiI*ǪT~ E9`%o`$A-sPkj4QD M m 053фILlM¦h:҂

1.25*3.6简便算法1.25*3.6简便算法啊!
1.25*3.6简便算法
1.25*3.6简便算法啊!

1.25*3.6简便算法1.25*3.6简便算法啊!
1.25*3.6
=1.25*4*0.9
=5*0.9
=4.5

1.25*3.6
=(1+0.25)*3.6
=(1+1/4)*3.6
=3.6+0.9
=4.5

1.25*(4-0.4)=1.25*4-1.25*0.4=5-0.5=4.5