用简便计算:13.5x9.9+6.5x10.1=?
答案:5 悬赏:70 手机版
解决时间 2021-04-05 04:14
- 提问者网友:山高云阔
- 2021-04-04 09:45
用简便计算:13.5x9.9+6.5x10.1=?
最佳答案
- 五星知识达人网友:十鸦
- 2021-04-04 09:55
13.5x9.9+6.5x10.1
=13.5*(10-0.1)+6.5*(10+0.1)
=135+65-1.35+0.65
=200.35-1.05
=199.3
=13.5*(10-0.1)+6.5*(10+0.1)
=135+65-1.35+0.65
=200.35-1.05
=199.3
全部回答
- 1楼网友:酒者煙囻
- 2021-04-04 13:35
13.5*(10-0.1)+6.5*(10+0.1)=13.5*10-13.5*0.1+6.5*10+6.5*0.1 =198
- 2楼网友:行路难
- 2021-04-04 12:30
13.5*(10-0.1)+6.5*(10+0.1)
=13.5*10-13.5*0.1+6.5*10+6.5*0.1
=135-1.35+65+0.65
=200-0.7
199.3
=13.5*10-13.5*0.1+6.5*10+6.5*0.1
=135-1.35+65+0.65
=200-0.7
199.3
- 3楼网友:未来江山和你
- 2021-04-04 12:05
13.5x9.9+6.5x10.1
=13.5*10-13.5*0.1+6.5*10+6.5*0.1
=135-1.35+65+0.65
=200-0.7
199.3
=13.5*10-13.5*0.1+6.5*10+6.5*0.1
=135-1.35+65+0.65
=200-0.7
199.3
- 4楼网友:走死在岁月里
- 2021-04-04 11:31
13.5*(10-0.1)+6.5*(10+0.1)=13.5*10-13.5*0.1+6.5*10+6.5*0.1
=135-1.35+65+0.65
=200-2=198
=135-1.35+65+0.65
=200-2=198
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