4.5×0..99(简便计算)
问题描述:
4.5×0..99(简便计算)
要简便,才行!
答
4.5×0.99=4.5×(1-0.01)=4.5×1-4.5×0.01=4.5-0.045=4.455
4.5×0..99(简便计算)
要简便,才行!
4.5×0.99=4.5×(1-0.01)=4.5×1-4.5×0.01=4.5-0.045=4.455