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123+2022323+30303232323+404040423232323+5050505052323232323．-数学

题目简介

123+2022323+30303232323+404040423232323+5050505052323232323．-数学

题目详情

1
23
+
202
2323
+
30303
232323
+
4040404
23232323
+
505050505
2323232323
．
题型：解答题难度：中档来源：不详

答案

class="stub"1
23
+class="stub"202
2323
+class="stub"30303
232323
+class="stub"4040404
23232323
+class="stub"505050505
2323232323
，
=class="stub"1
23
+class="stub"2×101
23×101
+class="stub"3×10101
23×10101
+class="stub"4×1010101
23×1010101
+class="stub"5×101010101
23×101010101
，
=class="stub"1
23
+class="stub"2
23
+class="stub"3
23
+class="stub"4
23
+class="stub"5
23
，
=class="stub"1+2+3+4+5
23
，
=class="stub"15
23
．

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