7.8×0.24+0.22×2.4用简便方法计算
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解决时间 2021-04-12 22:00
- 提问者网友：心牵心
- 2021-04-12 08:39
7.8×0.24+0.22×2.4用简便方法计算
最佳答案
- 五星知识达人网友：风格不统一
- 2021-04-12 08:53
7.8×0.24+0.22×2.4
=7.8×0.24+2.2×0.24
=(7.8+2.2)×0.24
=10×0.24
=2.4
=7.8×0.24+2.2×0.24
=(7.8+2.2)×0.24
=10×0.24
=2.4
全部回答
- 1楼网友：不甚了了
- 2021-04-12 14:18
看追答
- 2楼网友：枭雄戏美人
- 2021-04-12 12:39
7.8×0.24+0.22×2.4
=0.78×2.4+0.22×2.4
=(0.78+0.22)×2.4
=2.4
=0.78×2.4+0.22×2.4
=(0.78+0.22)×2.4
=2.4
- 3楼网友：渊鱼
- 2021-04-12 11:03
7.8×0.24+0.22×2.4
=0.24×（7.8＋2.2）
=0.24×10
=2.4
=0.24×（7.8＋2.2）
=0.24×10
=2.4
- 4楼网友：長槍戰八方
- 2021-04-12 09:52
7.8×0.24+0.22×2.4用简便方法计算
7.8×0.24+0.22×2.4
=（7.8+2.2）×0.24
=10×0.24
=2.4
7.8×0.24+0.22×2.4
=（7.8+2.2）×0.24
=10×0.24
=2.4
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