10.3×99+10.3的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 05:56:28
![10.3×99+10.3的简便算法](/uploads/image/z/191033-17-3.jpg?t=10.3%C3%9799%2B10.3%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
10.3×99+10.3的简便算法
10.3×99+10.3的简便算法
10.3×99+10.3的简便算法
10.3×99+10.3
=10.3×(99+1)
=10.3×100
=1030.
10.3*(99+1)=10.3*100=1030
10。3×(99+1)=1030
10.3×99+10.3
=10.3×(100-1)+10.3
=1030-10.3+10.3
=1030
10.3*99+10.3
=10.3*99+10.3*1
=10.3*(99+1)
=10.3*100
=1030
10.3x(99+1)=10.3x100=1030
原式=10.3×(99+1)=1030
=10.3*(100-1)+10.3
=10.3*100-10.3*1+10.3
=1030-10.3+10.3
=1030