4.4-2.2×0.55简便方法计算
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解决时间 2021-12-03 16:37
- 提问者网友：眉目添风霜
- 2021-12-02 15:53
4.4-2.2×0.55简便方法计算
最佳答案
- 五星知识达人网友：鸽屿
- 2021-12-02 15:58
4.4-2.2×0.55
=2.2x2-2.2×0.55
=2.2×(2-0.55)
=2.2×1.45
=(2+0.2)x1.45
=2x1.45+0.2x1.45
=2.9+0.29
=3.19
=2.2x2-2.2×0.55
=2.2×(2-0.55)
=2.2×1.45
=(2+0.2)x1.45
=2x1.45+0.2x1.45
=2.9+0.29
=3.19
全部回答
- 1楼网友：逐風
- 2021-12-02 16:37
- 2楼网友：你哪知我潦倒为你
- 2021-12-02 16:27
4.4-2.2×0.55
=2.2x2-2.2×0.55
=2.2×(2-0.55)
=2.2×1.45
=3.19
=2.2x2-2.2×0.55
=2.2×(2-0.55)
=2.2×1.45
=3.19
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