0.35+3.5x9.9怎样简便
答案:6 悬赏:80 手机版
解决时间 2021-02-17 18:42
- 提问者网友:情歌越听越心酸
- 2021-02-16 19:29
0.35+3.5x9.9怎样简便
最佳答案
- 五星知识达人网友:北城痞子
- 2021-02-16 20:43
3.5×(9.9+0.1)=35
全部回答
- 1楼网友:白昼之月
- 2021-02-17 02:42
0.35+3.5×(10-0.1)
- 2楼网友:有你哪都是故乡
- 2021-02-17 01:15
3.5×(1+9.9)=3.5×(10+0.9)=35+3.15=38.15
- 3楼网友:思契十里
- 2021-02-16 23:35
3.5*9.9 变成0.35*99 就变成了 0.35*(1+99)=35
- 4楼网友:夜风逐马
- 2021-02-16 22:29
0.35+3.5*9.9
=3.5*0.1+3.5*9.9
=3.5*(0.1+9.9)
=3.5*10
=35
=3.5*0.1+3.5*9.9
=3.5*(0.1+9.9)
=3.5*10
=35
- 5楼网友:走死在岁月里
- 2021-02-16 22:16
你好
33.5x9.9+3.5x0.1
=33.5x(10-0.1)+3.5x0.1
=33.5x10-33.5x0.1+3.5x0.1
=335-(33.5-3.5)x0.1
=335-30x0.1
=335-3
=332
或者你的题是
3.5x9.9+3.5x0.1
=3.5x(9.9+0.1)
=3.5x10
=35
33.5x9.9+3.5x0.1
=33.5x(10-0.1)+3.5x0.1
=33.5x10-33.5x0.1+3.5x0.1
=335-(33.5-3.5)x0.1
=335-30x0.1
=335-3
=332
或者你的题是
3.5x9.9+3.5x0.1
=3.5x(9.9+0.1)
=3.5x10
=35
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