请帮忙出一些小学数学简便算法算术题
来源:百度知道 编辑:UC知道 时间:2024/06/18 00:35:28
72×125×5
(68×72)÷(24×34)
66×27+33×45
73×17+46×27+73×29
http://www.yangteacher.com/oltest/test.asp?fuhao=3030&num=100&xing=5
http://www.yangteacher.com/oltest/test.asp?fuhao=3030&num=1000&xing=5
1>72×125×5
=(8×9)×125×5
=(8×125)×(9×5)
=1000×45
=45000
124\4-24\4
1+1=?