7.3×0.64+9.36简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 16:47:50
![7.3×0.64+9.36简便计算](/uploads/image/z/129113-17-3.jpg?t=7.3%C3%970.64%2B9.36%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
7.3×0.64+9.36简便计算
7.3×0.64+9.36简便计算
7.3×0.64+9.36简便计算
9.36=1.4x0.64
于是
7.3×0.64+9.36
=7.3×0.64+1.4x0.64
=8.7x0.64
=7.3X0.8X0.8+11.7X0.8
=(5.84+11.7)0.8
=17.54X0.8
=14.032
7.3×0.64+9.36
=(1+6.3)×0.64+9.36
=9.36+0.64+6.3×0.64
=10+6×0.64+0.3×0.64
=10+3.84+0.192
=14.032
对否!!题目有点变态!!