问题
填空题
______=9a2-______+16b2; x2+10x+______=(x+______)2.
答案
(3a-4b)2=9a2-24ab+16b2;x2+10x+25=(x+5)2.
故答案为3a-4b,24ab;25,5.
______=9a2-______+16b2; x2+10x+______=(x+______)2.
(3a-4b)2=9a2-24ab+16b2;x2+10x+25=(x+5)2.
故答案为3a-4b,24ab;25,5.