[0.5+2-0.75]×1.6简便计算
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解决时间 2021-02-19 16:04
- 提问者网友：杀生予夺
- 2021-02-18 20:26
[0.5+2-0.75]×1.6简便计算
最佳答案
- 五星知识达人网友：骨子里都是戏
- 2021-02-18 21:28
[0.5+2-0.75]×1.6
=（2.5-0.75）×1.6
=1.75×1.6
=(1+0.75)×1.6
=1.6+0.75×1.6
=1.6+3/4×1.6
=1.6+1.2
=2.8
=（2.5-0.75）×1.6
=1.75×1.6
=(1+0.75)×1.6
=1.6+0.75×1.6
=1.6+3/4×1.6
=1.6+1.2
=2.8
全部回答
- 1楼网友：上分大魔王
- 2021-02-18 22:03
[0.5+2-0.75]×1.6
=（1/2+2-3/4）×1.6
=1/2×1.6+2×2-3/4×1.6
=0.8+4-1.2
=1.2-1.2
=0
=（1/2+2-3/4）×1.6
=1/2×1.6+2×2-3/4×1.6
=0.8+4-1.2
=1.2-1.2
=0
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