(1) x4−1= (2) 32x8−162= (3) 50(2x+1)2−18(1−x)2= 相关知识点: 试题来源: 解析 (1) (x2+1)(x+1)(x−1) (2) 2(4x4+9)(2x2+3)(2x2−3) (3) 2(7x+8)(13x+2) (1)N/A.(2)N/A.(3)N/A.反馈
12x–6y+26y 8x+6x–2x+22y–2yCompleteyourdiagram Lettersfornumbers:a+b=10,whatcouldaandbbe?ifa=2,b=8whatisa+b?ifa=25,b=5whatisa+b?Letters,numbersandarea 6 2 b 5 Area?2x6=12 Area?5xb=5b Letters,numbersandarea 4 a 4 a Area?4x4=16Area?axa=a2 LettersandareayWhatisthearea yo...