问题
填空题
已知a-b=5ab,则
|
答案
∵a-b=5ab,
∴原式=2(a-b)+3ab (a-b)-2ab
=10ab+3ab 5ab-2ab
=13ab 3ab
=
.13 3
故答案为:
.13 3
已知a-b=5ab,则
|
∵a-b=5ab,
∴原式=2(a-b)+3ab (a-b)-2ab
=10ab+3ab 5ab-2ab
=13ab 3ab
=
.13 3
故答案为:
.13 3