问题 解答题
计算:
9.6×89
1993
+
1103×24
25×1993
答案

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.

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