1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+``````+0.08+0.07-0.06-0.05+0.04+0.03-0.2-0.1=
问题描述:
1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+``````+0.08+0.07-0.06-0.05+0.04+0.03-0.2-0.1=
请在一刻钟内回答,
答
原式=0.02*25=0.5