(88.8*0.4+88.8*0.6+9*88.8)*1.25能简便的就简便
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/28 18:25:23
(88.8*0.4+88.8*0.6+9*88.8)*1.25能简便的就简便
![(88.8*0.4+88.8*0.6+9*88.8)*1.25能简便的就简便](/uploads/image/z/17270886-30-6.jpg?t=%2888.8%2A0.4%2B88.8%2A0.6%2B9%2A88.8%29%2A1.25%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E5%B0%B1%E7%AE%80%E4%BE%BF)
原式
=[88.8×(0.4+0.6+9)]×1.25
=(88.8×10)×1.25
=888×1.25
=888×(1+0.25)
=888+888×0.25
=888+222
=1110
=[88.8×(0.4+0.6+9)]×1.25
=(88.8×10)×1.25
=888×1.25
=888×(1+0.25)
=888+888×0.25
=888+222
=1110