4.6x2.5+5.3x2.5+0.25简便运算
来源:学生学帮网 编辑:学帮网 时间:2024/05/30 20:23:21
4.6x2.5+5.3x2.5+0.25简便运算
4.6x2.5+5.3x2.5+0.25
=4.6x2.5+5.3x2.5+2.5x0.1
=2.5x(4.6+5.3+0.1)
=2.5x10
=25
4.6x2.5+5.3x2.5+0.25简便运算
4.6x2.5+5.3x2.5+0.25
=4.6x2.5+5.3x2.5+2.5x0.1
=2.5x(4.6+5.3+0.1)
=2.5x10
=25