用递等式如何计算4.5*3.6+5.5*0.34,
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 03:20:42
x){>eˆIv>tYӓS_[|t=S-c=3mS mglcTOj;RMGD
LALQ 6)kk 6H d
P&D@PB50qAL<;o+:k
用递等式如何计算4.5*3.6+5.5*0.34,
用递等式如何计算4.5*3.6+5.5*0.34,
用递等式如何计算4.5*3.6+5.5*0.34,
4.5*3.6+5.5*0.34
=4.5*3.6+0.55*3.4
=4.5*3.6+0.5*3.4+0.05*3.4
=4.5*3.6+0.5*3.6-0.5*0.2+0.5*0.34
=5*3.6+0.5(0.34-0.2)
=10*1.8+0.5*0.14
=18+1*0.07
=18.07