0.7乘以11分之3减去6.6乘以7分之3减去1.1乘以7分之3加上0.7乘以11分之8等于？
答案:3 悬赏:0 手机版
解决时间 2021-01-29 09:33
- 提问者网友：人傍凄凉立暮秋
- 2021-01-28 18:01
0.7乘以11分之3减去6.6乘以7分之3减去1.1乘以7分之3加上0.7乘以11分之8等于？
最佳答案
- 五星知识达人网友：像个废品
- 2021-01-28 19:10
0.7*3/11 - 6.6*3/7 -1.1* 3/7+0.7*8/11
=0.7*（3/11+8/11）-3/7 *（6.6+1.1）
=0.7-3.3
=-2.6
=0.7*（3/11+8/11）-3/7 *（6.6+1.1）
=0.7-3.3
=-2.6
全部回答
- 1楼网友：往事埋风中
- 2021-01-28 21:23
0.7x3/11-6.6x3/7-1.1x3/7+0.7x8/11
=0.7x3/11+0.7x8/11-(6.6x3/7+1.1x3/7)
=0.7x(3/11+8/11)-(6.6+1.1)x3/7
=0.7x1-7.7x3/7
=0.7-3.3
=-2.6
=0.7x3/11+0.7x8/11-(6.6x3/7+1.1x3/7)
=0.7x(3/11+8/11)-(6.6+1.1)x3/7
=0.7x1-7.7x3/7
=0.7-3.3
=-2.6
- 2楼网友：酒醒三更
- 2021-01-28 19:52
0.7×﹙3/11﹚－6.6×﹙3/7﹚－1.1×﹙3/7﹚＋0.7×﹙8/11﹚=﹙3/11＋8/11﹚×0.7－﹙6.6＋1.1﹚×﹙3/7﹚＝0.7－3.3=﹣2.6
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