(55*4.5-45*0.3)*44.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 20:39:53
![(55*4.5-45*0.3)*44.](/uploads/image/z/2693417-41-7.jpg?t=%2855%2A4.5-45%2A0.3%29%2A44.)
xA
0MOR`U*^
(55*4.5-45*0.3)*44.
(55*4.5-45*0.3)*44.
(55*4.5-45*0.3)*44.
(55*4.5-45*0.3)*44.4
=52*4.5*4*11.1
=52*18*11.1
=26*36*11.1
=(31^2-25)*11.1
=(961-25)*11.1
=936*11.1
=9360+936+93.6
=10389.6