3.2+1.8*1.5用简便方法是
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解决时间 2021-11-19 17:16
- 提问者网友:玫瑰园
- 2021-11-18 20:53
3.2+1.8*1.5用简便方法是
最佳答案
- 五星知识达人网友:底特律间谍
- 2021-11-18 21:25
3.2+1.8*1.5
=3.2+(2-0.2)*1.5
=3.2+3-0.3
=6.2-0.3
=5.9
=3.2+(2-0.2)*1.5
=3.2+3-0.3
=6.2-0.3
=5.9
全部回答
- 1楼网友:逐風
- 2021-11-18 23:26
3.2+1.8×1.5
=3.2+(2-0.2)×1.5
=3.2+2×1.5-0.2×1.5
=3.2+3-0.3
=6.2-0.3
=5.9
=3.2+(2-0.2)×1.5
=3.2+2×1.5-0.2×1.5
=3.2+3-0.3
=6.2-0.3
=5.9
- 2楼网友:你可爱的野爹
- 2021-11-18 23:14
=3.2+1.8×(1+0.5)
=3.2+1.8+0.9
=5+0.9
=5.9
=3.2+1.8+0.9
=5+0.9
=5.9
- 3楼网友:酒者煙囻
- 2021-11-18 22:31
3.2+1.8*(1+0.5)
3.2+1.8+0.9
5+0.9
5.9
3.2+1.8+0.9
5+0.9
5.9
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