计算:20÷202021+122=______.-数学

题目简介

计算:20÷202021+122=______.-数学

题目详情

计算:20÷20
20
21
+
1
22
=______.
题型:填空题难度:偏易来源:不详

答案

20÷20class="stub"20
21
+class="stub"1
22

=20÷class="stub"20×21+20
21
+class="stub"1
22

=20×class="stub"21
20×(21+1)
+class="stub"1
22

=20×class="stub"21
20×22
+class="stub"1
22

=class="stub"21
22
+class="stub"1
22

=1.

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