R22922R32R等于多少求过程和结果【答案】877/24【解析】R2=(29/2)2+(R-3)2R2=841/4+R2-6R+96R=877/4解得，R=877/243对应1/3=1/6+1/6.故只有一种情况满足题意。2，利用因式分解计算12922921222913324.①1292－292=(129+29)(129-29)=158x100=15800②1.222×9－1.332×4=(3.66)^2-(2.66)^2=(3.66-2.66)(3.66+2.66）=1x6.32=6.323，游