0.35×1.2+3、5×0.88怎么简算,谢谢了!
答案:3 悬赏:80 手机版
解决时间 2021-03-09 17:10
- 提问者网友:藍了天白赴美
- 2021-03-09 07:23
0.35×1.2+3、5×0.88怎么简算,谢谢了!
最佳答案
- 五星知识达人网友:忘川信使
- 2021-03-09 08:17
0.35×1.2+3
=0.35×0.4×3+3
=(0.35×0.4+1)×3
=1.14×3
=3.42
5×0.88
=5×(1-0.12)
=5×1-5×0.12
=5-0.6
=4.4
=0.35×0.4×3+3
=(0.35×0.4+1)×3
=1.14×3
=3.42
5×0.88
=5×(1-0.12)
=5×1-5×0.12
=5-0.6
=4.4
全部回答
- 1楼网友:逃夭
- 2021-03-09 08:49
0.35×1.2+3,5×0.88
=0.35×1.2+0.35×8.8
=0.35×(1.2+8.8)
=0。35×10
=3.5
=0.35×1.2+0.35×8.8
=0.35×(1.2+8.8)
=0。35×10
=3.5
- 2楼网友:夜余生
- 2021-03-09 08:33
0.35×1.2+3.5×0.88
=0.35×1.2+0.35×10×0.88
=0.35×1.2+0.35×8.8
=0.35×(1.2+8.8)
=0.35×10
=3.5
=0.35×1.2+0.35×10×0.88
=0.35×1.2+0.35×8.8
=0.35×(1.2+8.8)
=0.35×10
=3.5
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