6.2x2.1-2.1简便计算
答案:3 悬赏:10 手机版
解决时间 2021-02-28 20:45
- 提问者网友：城市野鹿
- 2021-02-28 06:41
6.2x2.1-2.1简便计算
最佳答案
- 五星知识达人网友：大漠
- 2021-02-28 07:21
6.2x2.1-2.1
=(6.2-1)x2.1
=5.2x2.1
=10.92
=(6.2-1)x2.1
=5.2x2.1
=10.92
全部回答
- 1楼网友：封刀令
- 2021-02-28 09:00
6.2×2.1减2.1
=6.2×2.1减2.1乘1
=2.1×（1减6.2）
=2.1乘3.8
=7.98
=6.2×2.1减2.1乘1
=2.1×（1减6.2）
=2.1乘3.8
=7.98
- 2楼网友：低血压的长颈鹿
- 2021-02-28 08:11
6.2×2.1-2.1
=(6.2-1)×2.1
=5.2×2.1
=(5+0.2)×2.1
=5×2.1+0.2×2.1
=10.5+0.42
=10.92
=(6.2-1)×2.1
=5.2×2.1
=(5+0.2)×2.1
=5×2.1+0.2×2.1
=10.5+0.42
=10.92
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