2.61×39.5+0.7×267+9.05×26.1怎么简便计算?急@@@@@@@@@@@@@@@
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 11:54:12
![2.61×39.5+0.7×267+9.05×26.1怎么简便计算?急@@@@@@@@@@@@@@@](/uploads/image/z/90620-44-0.jpg?t=2.61%C3%9739.5%2B0.7%C3%97267%2B9.05%C3%9726.1%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F%E6%80%A5%40%40%40%40%40%40%40%40%40%40%40%40%40%40%40)
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2.61×39.5+0.7×267+9.05×26.1怎么简便计算?急@@@@@@@@@@@@@@@
2.61×39.5+0.7×267+9.05×26.1怎么简便计算?急@@@@@@@@@@@@@@@
2.61×39.5+0.7×267+9.05×26.1怎么简便计算?急@@@@@@@@@@@@@@@
2.61×39.5+0.7×261+9.05×26.1(按照261*0.7计算)
=2.61×39.5+2.61×70+2.61×90.5
=2.61×(39.5+70+90.5)
=2.61×200
=522