200000+20000+2000+200-1-2-3-4+10 懂了吧 O(∩_∩)O~
解:原式 =(200000-1)+(20000-2)+(2000-3)+(200-4)+10 =200000+20000+2000+200-1-2-3-4+10 =222200-(1+2+3+4)+10 =222200-10+10 =222200希望对你有用~