6.45×1.7+1.7×4.55÷1.7的简便方法
答案:3 悬赏:60 手机版
解决时间 2021-02-25 03:36
- 提问者网友:人生佛魔见
- 2021-02-24 03:58
6.45×1.7+1.7×4.55÷1.7的简便方法
最佳答案
- 五星知识达人网友:夜风逐马
- 2021-02-24 05:02
=6.45×1.7+4.55
=6.45×2-6.45×0.3+4.55
=12.9-1.935+4.55
=15.515
=6.45×2-6.45×0.3+4.55
=12.9-1.935+4.55
=15.515
全部回答
- 1楼网友:一把行者刀
- 2021-02-24 06:53
6.45×1.7+1.7×4.55÷1.7的简便方法
=6.45*1.7+1.7÷1.7*4.55
=6.75*1.7+1*4.55
=6.75*(2-0.3)+4.55
=6.75*2-6.75*0.3+4.55
=13.5-2.025+4.55
=13.5+4.55-2.025
=18.05-2.025
=16.025
=6.45*1.7+1.7÷1.7*4.55
=6.75*1.7+1*4.55
=6.75*(2-0.3)+4.55
=6.75*2-6.75*0.3+4.55
=13.5-2.025+4.55
=13.5+4.55-2.025
=18.05-2.025
=16.025
- 2楼网友:独钓一江月
- 2021-02-24 06:35
6.45×1.7+1.7×4.55*1/1.7=6.45*1.7+4.55=6.46*(2-0.3)+4.55=12.92-1.938+4.55
=15.534
=15.534
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