下面各题怎样算简便就怎样算.4.6+2.9+5.411.6-0.47-9.537.5
答案:1 悬赏:80 手机版
解决时间 2021-11-16 01:28
- 提问者网友:沦陷
- 2021-11-15 19:39
下面各题怎样算简便就怎样算.4.6+2.9+5.411.6-0.47-9.537.5
最佳答案
- 五星知识达人网友:荒野風
- 2021-11-15 21:09
(1)4.6+2.9+5.4 =4.6+5.4+2.9 =10+2.9 =12.9; (2)11.6-0.47-9.53 =11.6-(0.47+9.53) =11.6-10 =1.6; (3)7.5-4.9+2.5 =7.5+2.5-4.9 =10-4.9 =5.1; (4)6.28-(4.28-3.5) =6.28-4.28+3.5 =2+3.5 =5.5; (5)6.32-4.6+2.68-2.4 =6.32+2.68-(4.6+2.4) =9-7 =2. |
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