187减去124的差是______,再除以9得______.
187-124=63;
63÷9=7;
故答案为:63,7.
连词成句。
1. May take picture your I ?
_______________________________________________
2. park I yesterday went the to .
3. where hotel Do you is know the ?
4. are We Beijing going today to .
5. address What your is ?
蒸汽管道上发生水击时,应()。
A.停止送汽
B.在管道进行疏水
C.进行暖管
D.增大蒸汽流量