4.25×8.1-6.1的简便计算
答案:3 悬赏:30 手机版
解决时间 2021-11-08 01:50
- 提问者网友:沦陷
- 2021-11-07 17:09
4.25×8.1-6.1的简便计算
最佳答案
- 五星知识达人网友:撞了怀
- 2021-11-07 18:42
1、4.25*8+4.25*0.1-6.1
=(4+0.25)*8+0.425-6.1
=32+2+0.425-6.1
=34.425-6.1
=28.325
2、4.25*6.1+4.25*2-6.1
=3.25*6.1+8.5
=(3+0.25)*6+3.25*0.1+8.5
=18+1.5+3.25+8.5
=18+(1.5+8.5)+0.325
=18+10+0.325
=28+0.325
=28.325
=(4+0.25)*8+0.425-6.1
=32+2+0.425-6.1
=34.425-6.1
=28.325
2、4.25*6.1+4.25*2-6.1
=3.25*6.1+8.5
=(3+0.25)*6+3.25*0.1+8.5
=18+1.5+3.25+8.5
=18+(1.5+8.5)+0.325
=18+10+0.325
=28+0.325
=28.325
全部回答
- 1楼网友:往事埋风中
- 2021-11-07 20:56
4.25×8.1-6.1=28.325
- 2楼网友:往事隔山水
- 2021-11-07 19:21
4.25X8.1-6.1
=4.25X8+4.25X0.1-6.1
=34+0.425-6-0.1
=28+0.325
=28.325
=4.25X8+4.25X0.1-6.1
=34+0.425-6-0.1
=28+0.325
=28.325
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