数学高手进:5.3*4.6+7.1*5.4+8.2*5.4
答案:3 悬赏:30 手机版
解决时间 2021-02-25 06:57
- 提问者网友:雨不眠的下
- 2021-02-24 10:11
数学高手进:5.3*4.6+7.1*5.4+8.2*5.4
最佳答案
- 五星知识达人网友:过活
- 2021-02-24 10:32
5.3*4.6+7.1*5.4+8.2*5.4
=5.3*4.6+5.4*(7.1+8.2)
=5.3*4.6+5.4*15.3
=5.3*4.6+5.4*(10+5.3)
=5.3*4.6+5.4*10+5.4*5.3
=5.3*(4.6+5.4)+5.4*10
=53+54
=107
=5.3*4.6+5.4*(7.1+8.2)
=5.3*4.6+5.4*15.3
=5.3*4.6+5.4*(10+5.3)
=5.3*4.6+5.4*10+5.4*5.3
=5.3*(4.6+5.4)+5.4*10
=53+54
=107
全部回答
- 1楼网友:几近狂妄
- 2021-02-24 11:38
5.3*4.6+7.1*5.4+8.2*5.4
=5.4*(4.6+7.1+8.2+0.1-0.1)-0.46
=5.4*(20-0.1)-0.46
=108-(0.54+0.46)
=107
=5.4*(4.6+7.1+8.2+0.1-0.1)-0.46
=5.4*(20-0.1)-0.46
=108-(0.54+0.46)
=107
- 2楼网友:执傲
- 2021-02-24 10:44
5.3*4.6+7.1*5.4+8.2*5.4
=5.4*(4.6+7.1+8.2+0.1-0.1)-0.46
=5.4*(20-0.1)-0.46
=108-(0.54+0.46)
=107
=5.4*(4.6+7.1+8.2+0.1-0.1)-0.46
=5.4*(20-0.1)-0.46
=108-(0.54+0.46)
=107
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