19941/2*79+6/25*790+31*7.9

来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/02 16:08:33
19941/2*79+6/25*790+31*7.919941/2*79+6/25*790+31*7.919941/2*79+6/25*790+31*7.919941/2*79+6/25*790+31

19941/2*79+6/25*790+31*7.9
19941/2*79+6/25*790+31*7.9

19941/2*79+6/25*790+31*7.9
19941/2*79+6/25*790+31*7.9
=1994.5*10x7.9+6/25*7.9x100+31*7.9
=(19945+24+31)x7.9
=20000x7.9
=158000