3^3-4×3^2+10×3=21
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/28 16:39:15
3^3-4×3^2+10×3=21
3^4-4×3^3+10×3^2=63
3^5-4×3^4+10×3^3=189
3^2004-4×3^2003+10×3^2002=______
3^n+2 - 4×3^3n+1 + 10×3^n=______
3^4-4×3^3+10×3^2=63
3^5-4×3^4+10×3^3=189
3^2004-4×3^2003+10×3^2002=______
3^n+2 - 4×3^3n+1 + 10×3^n=______
![3^3-4×3^2+10×3=21](/uploads/image/z/9922243-67-3.jpg?t=3%5E3-4%C3%973%5E2%2B10%C3%973%3D21)
3^2004-4×3^2003+10×3^2002=7×3^2002
3^n+2 - 4×3^3n+1 + 10×3^n=7×3^n
3^n+2 - 4×3^3n+1 + 10×3^n=7×3^n
3^3-4*3^2+10*3=21
3^3-4×3^2+10×3=21
10/63(3x+6)+2/21(x+2)+3/14(2x+4)=1
1/18+(2/3+4/21)=?
1*2*3+2*4*6+7*14*21/1*3*5+2*6*10+17*21*35=?
阅读下列计算过程:计算:3+3^2+3^3+3^4+3^5+...+3^10设S=3+3^2+3^3+3^4+3^5+.
1*3*5+2*6*10+7*21*35分之1*2*3+2*4*6+7*14*21 =[1*2*3*(1+2*2*2+7
解方程.x+2/11-3/11=4/11 8/21-x+7/21=10/21
解方程.4/5X=3/10,X*2/3*3/5=20,X*3/5=20*3/4,X*2/7=10/21/2/3
10/21×(5/6-1/4)=?7/8×3/10+3/10×9/8=?
解方程:4(x^2-7x+10)-(2x+3)(2x-1)=-21
1+2+3=4+5-3 6+7+8+9=10+11+12-3 13+14+15+16+17=18+19+20+21-3