b×b=
7m×2m=
15a-a=
5x+4x=
a×a×5=
0×n=
12y+5y-6y=
4a+6a= 15x-9x=
3.2b-1.6b= m+4m+8m=
10a+8a-5a= x-0.25x=
2x-y+6x= 10m-n-m-5n=
a×12=
b×b=
a×b=
x×y×7=
5×x=
2×c×c=
7x×5=
2×a×b=
a·a=
6×m×7n=
8a×9b×10c=
a×a×a=
5a+6a=
a×9=
1×m=
17c-11c=
9x+x=
a×a×5=
2m+5m-3m=
x×15= 6×m=
a×b= 6.5-2.3×y=