问题
填空题
计算:1÷100+2÷100+3÷100+…+100÷100=______.
答案
1÷100+2÷100+3÷100+…+100÷100,
=(1÷100+99÷100)+(2÷100+98÷100)+(3÷100+97÷100)+…+(49÷100+51÷100)+100÷100+50÷100,
=(1+1+1+…+1+1)×50+0.5,
=1×50+0.5,
=50+0.5,
=50.5.
故答案为:50.5.