总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 C(5,0)*2^0+C(5,1)*2^1+C(5,2)*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5 的值.
题型:数学计算
解:
C(5,0)*2^0+C(5,1)*2^1+C(5,2)*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5
=1*2^0+C(5,1)*2^1+C(5,2)*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5
=1*2^0+5*2^1+C(5,2)*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5
=1*2^0+5*2^1+10*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5
=1*2^0+5*2^1+10*2^2+10*2^3+C(5,4)*2^4+C(5,5)*2^5
=1*2^0+5*2^1+10*2^2+10*2^3+5*2^4+C(5,5)*2^5
=1*2^0+5*2^1+10*2^2+10*2^3+5*2^4+1*2^5
=1*1+5*2^1+10*2^2+10*2^3+5*2^4+1*2^5
=1*1+5*2+10*2^2+10*2^3+5*2^4+1*2^5
=1*1+5*2+10*4+10*2^3+5*2^4+1*2^5
=1*1+5*2+10*4+10*8+5*2^4+1*2^5
=1*1+5*2+10*4+10*8+5*16+1*2^5
=1*1+5*2+10*4+10*8+5*16+1*32
=1+5*2+10*4+10*8+5*16+1*32
=1+10+10*4+10*8+5*16+1*32
=1+10+40+10*8+5*16+1*32
=1+10+40+80+5*16+1*32
=1+10+40+80+80+1*32
=1+10+40+80+80+32
=11+40+80+80+32
=51+80+80+32
=131+80+32
=211+32
=243 答案:C(5,0)*2^0+C(5,1)*2^1+C(5,2)*2^2+C(5,3)*2^3+C(5,4)*2^4+C(5,5)*2^5=243你的问题在这里没有得到解决?请到 热门难题 里面看看吧!