130+150+170+190+210+230+250=[ ]* [ ]=

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 05:44:23

130+150+170+190+210+230+250=[ ]* [ ]=
130+150+170+190+210+230+250=[ ]* [ ]=

130+150+170+190+210+230+250=[ ]* [ ]=
190*7=1330