98十97十99十94十90用简算

98十97十99十94十90用简算
2024-12-29 10:03:21
推荐回答(2个)
回答1:

=100-2+100-3+100-1+100-6+100-10
=500-(2+3+1+6+10)
=500-22
=478

回答2: