111÷(1+111).
=111÷1211,
=112.
即冰化成水后,体积减少112.
故答案为:错误.
My school bag is____as Wang Qing's. [ ]
A. the same
B. same
C. the sames
D. as same
公安机关的职责决定了公安机关的性质和任务。( )