0.08×0.3+8×0.007怎么算
答案:3 悬赏:30 手机版
解决时间 2021-02-20 16:54
- 提问者网友：做自己de王妃
- 2021-02-20 09:51
0.08×0.3+8×0.007怎么算
最佳答案
- 五星知识达人网友：春色三分
- 2021-02-20 10:08
简便计算
0.08×0.3+8×0.007
=0.08x0.3+0.08x100x0.007
=0.08x(0.3+0.7)
=0.08x1
=0.08
0.08×0.3+8×0.007
=0.08x0.3+0.08x100x0.007
=0.08x(0.3+0.7)
=0.08x1
=0.08
全部回答
- 1楼网友：洎扰庸人
- 2021-02-20 11:59
0.3（1-50%）x=0.08
0.3×0.5x=0.08
x=0.08/0.15
x=8/15
- 2楼网友：行路难
- 2021-02-20 11:47
0.08×0.3+8×0.007
=0.08x0.3+0.08x100x0.007
=0.08x(0.3+0.7)
=0.08x1
=0.08
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