四则混合运算是哪四则简介：Immediately, the thousand-year-old locust tree was uprooted. It didn't even have the strength to resist. It was crushed to pieces in an instant. A shrill scream loomed in the void, and then became silent.
Immediately, the thousand-year-old locust tree was uprooted. It didn't even have the strength to resist. It was crushed to pieces in an instant. A shrill scream loomed in the void, and then became silent.
