395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77﹚,344-278+156-122,453+275-53,

问题描述:

395+2508+115,1382-82×15,688-112-88,153÷153+219×3,﹙567-567﹚÷90,451+549÷3-95,1000-645-345,125+75×180,540-240÷12,246÷9×6,680-202+98,234×98÷49,18×13×150,630×33÷21,2236÷13÷43,6300÷2÷63,888-﹙88+77﹚,344-278+156-122,453+275-53,