(44-9)÷7=____
34×821= ____ 914×718= ____
已知A=2x2+3xy﹣2x﹣1,B=﹣x2+xy﹣1:
(1)求3A+6B;
(2)若3A+6B的值与x无关,求y的值.
When we discovered the little animal, it was making a terrible noise.