你可能感兴趣的试题
6a-5a=1 a2+a2=a4 3a2+2a3=5a5 3a2b-4ba2=-a2b
a3+a2=2a5 a3﹣a2=a (a3)2=a5 a6÷a3=a3
-(-2)-(-3) (-2)×(-3) (-2)2 (-3)-3
3a+2b=5ab 7a+a=8a 5y2-2y2=3 4x2y-2xy2=2xy
3a+4b=7ab 5y2-2y2=3 7a+a=8a 4x2y-2xy2=2xy
2(a﹣1)=2a﹣1 a2b﹣ab2=0 2a3﹣3a3=a3 a2+a2=2a2
4m﹣m=3 a2b﹣ab2=0 2a3﹣3a3=a3 xy﹣2xy=﹣xy
2﹣1=﹣2 23=6 22•23=26 (23)2=26
CTOD(‘04/05/97’)-28 ‘1234’+‘5678’ 120+30-150 LEN(‘ABCD’)-1
3m﹣m=2 a2b﹣ab2=0 xy﹣2xy=﹣xy 2x+2y=5xy
3m﹣m=2 a2b﹣ab2=0 2x+3y=5xy xy﹣2xy=﹣xy
a2+a3=a5 (3a)2=6a2 (a+1)2=a2+1 a6÷a2=a4
CTOD('04/05/97')-28 '1234'+'5678' 120+30=150 LEN('ABCD')-1
3x+2x2=5x3 2a2b﹣a2b=1 ﹣ab﹣ab=0 ﹣x2y+yx2=0