admin百科知識 2022-02-13 15:35:23 已知A=(a+2)(a-2),B=2(6-12a²),C=(a-1)²,化簡3A+2B-C已知A=(a 2)(a-2),B=2(6-1/2a²),C=(a-1)²,化簡3A 2B-C網友廻答：匿名網友解3A 2B-C=3(a 2)(a-2) 4(6-1/2a²)-(a-1)²=3(a²-4) 24-2a²-(a²-2a 1)=(3a²-2a²-a²) 2a (-12 24-1)=2a 11 db標簽 生活常識_百科知識_各類知識大全»已知A=(a+2)(a-2),B=2(6-12a²),C=(a-1)²,化簡3A+2B-C
admin(a-2),B=2(6-12a²),C=(a-1)²,化簡3A+2B-C.jpg "已知A=(a+2)(a-2),B=2(6-12a²),C=(a-1)²,化簡3A+2B-C,第1張")
0條評論