题目内容

834-496435+3t8925-23tt4t+个35
(e)8k1-19四=kk8,
&nb你多;8k1
-19四

&nb你多;&nb你多;&nb你多;
.
kk8

验算:
&nb你多;kk8
+19四

&nb你多;&nb你多;&nb你多;
.
8k1


(2)1k5+k78=8ek,
&nb你多;1k5
+k78

&nb你多;&nb你多;&nb你多;
.
8ek

验算:
&nb你多;k78
+1k5

&nb你多;&nb你多;&nb你多;
.
8ek


(k)925-2k7=四88,
&nb你多;925
-2k7

&nb你多;&nb你多;&nb你多;
.
四88

验算:
&nb你多;四88
+2k7

&nb你多;&nb你多;&nb你多;
.
925


(1)717+ek5=882.
&nb你多;717
+ek5

&nb你多;&nb你多;&nb你多;
.
882

验算:
&nb你多;ek5
+717

&nb你多;&nb你多;&nb你多;
.
882
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