计算:一又9/15乘以3.3＝ 二又6/7乘以0.875＝ 一又3/5乘以0.625
答案:2 悬赏:80 手机版
解决时间 2021-11-16 14:30
- 提问者网友：寂寞撕碎了回忆
- 2021-11-16 05:35
计算:一又9/15乘以3.3＝ 二又6/7乘以0.875＝ 一又3/5乘以0.625
最佳答案
- 五星知识达人网友：杯酒困英雄
- 2021-11-16 06:48
1又9/15*3.3
=(1+9/15)*3.3
=1*3.3+9/15*3.3
=3.3+0.6*3.3
=3.3+1.98
=5.28
2又6/7*0.875
=20/7*7/8
=20/8
=2.5
1又3/5*0.625
=8/5*5/8
=1
=(1+9/15)*3.3
=1*3.3+9/15*3.3
=3.3+0.6*3.3
=3.3+1.98
=5.28
2又6/7*0.875
=20/7*7/8
=20/8
=2.5
1又3/5*0.625
=8/5*5/8
=1
全部回答
- 1楼网友：洒脱疯子
- 2021-11-16 07:21
1又9/15×3.3=1×3.3+9/15×3.3=3.3+1.98=5.28
2又6/7×0.875=20/7×7/8=20/8=2.5
1又3/5×0.625=8/5×5/8=1
2又6/7×0.875=20/7×7/8=20/8=2.5
1又3/5×0.625=8/5×5/8=1
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