Therewasmuchfogthismorning.()
It________________thismorning.
Theydidn'tarriveontimebecauseitsnowedheavily.()
___________________________________________.
对于整数a,b,c,d,符号|ab|表示运算ac-bd,已知1<|1b|<3,则b+d的值是:
|cd||d4|
已知关于x的不等式2x+m>-5的解集如图所示,则m的值为().
第二题改简单句