计算:11+192+1993+19994+199995+1999996+19999997+199999998

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 04:22:55

计算:11+192+1993+19994+199995+1999996+19999997+199999998
计算:11+192+1993+19994+199995+1999996+19999997+199999998

计算:11+192+1993+19994+199995+1999996+19999997+199999998
11+192+1993+19994+199995+1999996+19999997+199999998
=(10+1)+(200-8)+(2000-7)+(20000-6)+(200000-5)+(2000000-4)+(20000000-3)+(200000000-2)
=10+200+2000+20000+200000+2000000+20000000+200000000+1-8-7-6-5-4-3-2(去括号)
=222222176

222222176

2+19999998+3+19999997+4+1999996+8+192+7+1993+6+19994+5+199995+11-2-3-4-5-6-7-8
=200000000+20000000+2000000+200000+20000+2000+200+11-35
=22222200-24
=22222176

222222176