4×(9 ×25)简便算法?

作者&投稿:拱卸 (若有异议请与网页底部的电邮联系)
4×9×25简便计算?~

亲,你好
我们可以这样算:
4×9×25
=4×25×9
=100×9
=900
望采纳,谢谢

解:依题意得算式,
(4+9)×25
=(4+10-1)×25
=4×25+10×25-1×25
=100+250-25
=325
即(4+9)×25=325

=4*9*25
=4*25*9
=100*9
=900

4×(9 ×25)
=(4×25)×9
=100×9
=900