2.37×0.69+76.3×0.069怎么算
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/30 04:19:23
原式=1.28*2.37-2.8/10*10*0.237=1.28*2.37-0.28*2.37=(1.28-0.28)*2.37=2.37
再答:求采纳呀~
6.9×7.99+0.69×20.1=6.9×7.99+6.9×2.01=6.9x(7.99+2.01)=6.9x10=69
1.63+2.37÷0.3=1.63+7.9=9.53
0.69*101=0.69×(100+1)=0.69×100+0.69×1=69+0.69=69.69很高兴为您解答,【学习宝典】团队为您答题.请点击下面的【选为满意回答】按钮,
这是个复函数,只有在0-1之间才是实数.见下面的图:https://www.wolframalpha.com/input/?i=plot%5B%28x%5E0.69%29%2F%28%28x%5E0.
奥数?打字不易,如满意,望采纳.
0.69*99=0.69*(100-1)=0.69*100-0.69=69-0.69=68.31
(1)2.37×6.3+2.37×3.7=2.37×(6.3+3.7)=2.37×10=23.7;(2)2.5×1.25×0.32=2.5×1.25×0.8×0.4=(2.5×0.4)×(1.25×0
最后一问就是电流表与电阻箱串联,但注意要考虑到电流表的内阻,据闭合电路欧姆定律:E=I(r+0.2+R),整理后E/I=r+0.2+R,从图中读出两个特殊点带入上式即可得出所给结果:比如从图中读出R=
789*4=3200、5392/9=600、99.75+999.75=1100、7.37-1.63+2.37=8
1GB=1024MB1MB=1/1024GB0.69MB=0.69/1024GB=69/102400GB希望可以采纳
题目应该是:2.37*6.3+2.37*3.7?2.37*6.3+2.37*3.7=2.37*(6.3+3.7)=2.37*10=23.7
原式=2.37x6.3+2.37x3.7=2.37x(6.3+3.7)=2.37x10=23.7
=2.37*(12.45+21.58+65.97)=2.37*100=237
=0.69x(2.47+76.3x0.1)=0.69x(2.47+7.63)=0.69x10=6.9
99x2.37+3.37=99x2.37+2.37+1=2.37x(99+1)+1=237+1=238
2.37×2.7=2.37×(3-0.3)=2.37×3-2.37×0.3=7.11-0.711=6.399
原式=(99+1)×2.37=100×2.37=237