32.14+64.28x0.5378x0.25+0.5378x64.28x0.75-8x64.28x0.125x0.5378
答案:5 悬赏:50 手机版
解决时间 2021-01-17 11:59
- 提问者网友：别再叽里呱啦
- 2021-01-16 17:16
32.14+64.28x0.5378x0.25+0.5378x64.28x0.75-8x64.28x0.125x0.5378
最佳答案
- 五星知识达人网友：行雁书
- 2021-01-16 18:19
设32.14=x 原式=x+2x*0.5378*0.25+0.5378*2x*0.75-8*2x*0.125*0.5378=x+0.5378*2x*(0.25+0.75-8*0.125)
=x+0.5378*0=x=32.14
=x+0.5378*0=x=32.14
全部回答
- 1楼网友：有你哪都是故乡
- 2021-01-16 22:11
32.14+64.28x0.5378x0.25+0.5378x64.28x0.75-8x64.28x0.125x0.5378
=32.14+0.5378*64.28*（0.25+0.75）-64.28*（8*0.125）*0.5378
=32.14+0.5378*64.28*1-0.5378*64.28*1
=32.14
=32.14+0.5378*64.28*（0.25+0.75）-64.28*（8*0.125）*0.5378
=32.14+0.5378*64.28*1-0.5378*64.28*1
=32.14
- 2楼网友：杯酒困英雄
- 2021-01-16 20:32
32.14+64.28x0.5378x0.25+0.5378x64.28x0.75-8x64.28x0.125x0.5378
__________________________________________________
所化横线=64.28×0.5378×（0.25+0.75-1*0.125）
=32.14+0
__________________________________________________
所化横线=64.28×0.5378×（0.25+0.75-1*0.125）
=32.14+0
- 3楼网友：一把行者刀
- 2021-01-16 20:24
32.14，用乘法分配律
- 4楼网友：逃夭
- 2021-01-16 19:17
设32.14=x 原式=x+2x*0.5378*0.25+0.5378*2x*0.75-8*2x*0.125*0.5378=x+0.5378*2x*(0.25+0.75-8*0.125)
=x+0.5378*0=x=32.14
=x+0.5378*0=x=32.14
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