6.4×9.9的简算
答案:3 悬赏:30 手机版
解决时间 2021-01-31 03:34
- 提问者网友:别再叽里呱啦
- 2021-01-31 00:00
6.4×9.9的简算
最佳答案
- 五星知识达人网友:蓝房子
- 2021-01-31 01:11
6.4x9.9
=6.4x(10-0.1)
=6.4x10-6.4x0.1
=64-0.64
=63.36
=6.4x(10-0.1)
=6.4x10-6.4x0.1
=64-0.64
=63.36
全部回答
- 1楼网友:毛毛
- 2021-01-31 02:54
(10-0.1)*6.4
=64-0.64
=63.36
=64-0.64
=63.36
- 2楼网友:白昼之月
- 2021-01-31 01:26
6.4X9.9
=6.4X(10-0.1)
=6.4X10-6.4X0.1
=64-0.64
=63.36
=6.4X(10-0.1)
=6.4X10-6.4X0.1
=64-0.64
=63.36
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