简算.0.01+0.02+0.03省略号+0.98+0.99
问题描述:
简算.0.01+0.02+0.03省略号+0.98+0.99
答
=(0.01+0.99)+(0.02+0.98)+……+(0.46+0.54)+(0.47+0.53)+(0.48+0.52)+(0.49+0.51)+0.50
=1×49+0.50
=49.5