8.82×15-100 | 15.8- 提问时间:2020-11-02
(1)8.82×15-100 =132.3-100 =32.3; (2)15.8- +14.2- =(15.8+14.2)-( + ) =30-1 =29; (3)21.6-0.8×4÷0.8×4 =21.6-3.2÷0.8×4 =21.6-4×4 =21.6-16 =5.6; (4)3 ×3.7+3.6+5.3×3 =3 ×3.7+3 ×1+5.3×3 =3 ×(3.7+1+5.3) =3 ×10 =36; (5)2.5×4.4 =2.5×(4+0.4) =2.5×4+2.5×0.4 =10+1 =11; (6)(1.5+2 )÷3.75- = ÷3.75- = × - = - = .
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程. 我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 1Suddenly_I_want_go_to_abroad什么意思
- 2根据以下10个乘积,11×29,12×28,13×27,14×26,15×25,16×24,17×23,18×22,19×21,20×20
- 3我想在车上安装个LED灯三种颜色的,需要多少个LED灯泡需要加电阻吗,是串联还是并联,
- 4作文 开头结尾(写事的)可抄袭,但是要优美
- 5已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
- 6ten to eleven
- 7请问一下三角形面积的通用公式是什么来的?
- 8尼古丁的化学式为CxHyNz,其相对分子质量为162,其中氢约占8.7%,氮约占17.3%,则化学式中x=____,y=____
- 9拓展练习( )11,14,16 ()(
- 10求极限.lim ((2x+1)/(2x +3))的(x +1)次方.x→∞.
|