计算:9.6×891993+1103×2425×1993.

问题描述:

计算:

9.6×89
1993
+
1103×24
25×1993

9.6×89
1993
+
1103×24
25×1993

=9.6×
89
1993
+
24
25
×
1103
1993

=9.6×
89
1993
+0.96×
1103
1993

=0.96×
890
1993
+0.96×
1103
1993

=0.96×(
890
1993
+
1103
1993
)

=0.96×1,
=0.96.