在小数除法中,交换被除数与除数的位置,商不变.______.
由商不变性质可得:在小数除法中,交换被除数与除数的位置,商不变;说法错误;
故答案为:错误.
Your computer doesn’t work now, is there ________ with it?
A.wrong something
B.something wrong
C.wrong anything
D.anything wrong
我国压力容器用钢板的标准号是()。
A.GB 6654
B.GB 700
C.GB 3280
D.GB 8165