计算:9.6×891993+1103×2425×1993.
问题描述:
计算:
+9.6×89 1993
. 1103×24 25×1993
答
+9.6×89 1993
1103×24 25×1993
=9.6×
+89 1993
×24 25
,1103 1993
=9.6×
+0.96×89 1993
,1103 1993
=0.96×
+0.96×890 1993
,1103 1993
=0.96×(
+890 1993
),1103 1993
=0.96×1,
=0.96.