问题 填空题
计算:1001×5
3
13
+198÷198
198
199
+1
1
200
=______.
答案

1001×5

3
13
+198÷198
198
199
+1
1
200

=1001×(5+

3
13
)+198÷(198+
198
199
)+1
1
200

=1001×5+1001×

3
13
+198÷[198×(1+
1
199
)]+1
1
200

=5005+231+198÷198÷

200
199
+1
1
200

=5236+1×

199
200
+1
1
200

=5236+(

199
200
+1
1
200
),

=5236+2,

=5238.

故答案为:5238.

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