问题
解答题
计算:22-2h+52-56+54-52+5h-2+6-4+2-h.
答案
如如-如0+s8-s6+s2-s如+s0-8+6-2+如-0
=(如如-如0)+(s8-s6)+(s2-s如)+(s0-8)+(6-2)+(如-0)
=如+如+如+如+如+如
=如×6
=s如.
计算:22-2h+52-56+54-52+5h-2+6-4+2-h.
如如-如0+s8-s6+s2-s如+s0-8+6-2+如-0
=(如如-如0)+(s8-s6)+(s2-s如)+(s0-8)+(6-2)+(如-0)
=如+如+如+如+如+如
=如×6
=s如.