简便计算3.6/2.5
答案:3 悬赏:0 手机版
解决时间 2021-03-02 13:36
- 提问者网友:雨不眠的下
- 2021-03-02 03:59
简便计算3.6/2.5
最佳答案
- 五星知识达人网友:迟山
- 2021-03-02 04:39
追问错追答没错啊!上下乘以10追问简便计算除法
全部回答
- 1楼网友:舍身薄凉客
- 2021-03-02 06:08
(3.6*4)/(2.5*4)=14.4/10=1.44
- 2楼网友:几近狂妄
- 2021-03-02 05:53
=(3.6×4)╱(2.5×4)
=3.6×4
=0.9×4×4
=0.9×16
=(0.9+0.1)×16-0.1×16
=16-1.6
=14.4追答=(3.6×4)╱(2.5×4)
=0.36×4
=0.9×4×0.4
=0.9×1.6
=(0.9+0.1)×1.6-0.1×1.6
=1.6-0.16
=1.44
=3.6×4
=0.9×4×4
=0.9×16
=(0.9+0.1)×16-0.1×16
=16-1.6
=14.4追答=(3.6×4)╱(2.5×4)
=0.36×4
=0.9×4×0.4
=0.9×1.6
=(0.9+0.1)×1.6-0.1×1.6
=1.6-0.16
=1.44
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