问题
解答题
11+192+193+19994+199995=
答案
11+192+193+19994+199995
=(10+1)+(200-8)+(200-7)+(20000-6)+(200000-5)
=(10+200+200+20000+200000)-(8+7+6+5-1)
=220410-25,
=220385.
11+192+193+19994+199995=
11+192+193+19994+199995
=(10+1)+(200-8)+(200-7)+(20000-6)+(200000-5)
=(10+200+200+20000+200000)-(8+7+6+5-1)
=220410-25,
=220385.